Why Meghan Markle and Kate Middleton's wedding invitations differ in one significant way

The invitations for Meghan Markle and Prince Harry's wedding have been sent, but eagle-eyed fans have noticed a few interesting details.

The first comes from Markle being referred to as "Ms." while Kate Middleton was referred to as "Miss" on her wedding invites. Is this another instance of royal protocol potentially throwing shade, ala the drama over Kate being called "Trusty and Well-Beloved Catherine" in the Queen's royal decree of consent, while Meghan received no such love?

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Prince Harry and Meghan Markle together
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Prince Harry and Meghan Markle together
Britain's Prince Harry (R) and his US fiancee Meghan Markle arrive to attend a memorial service at St Martin-in-the-Fields in Trafalgar Square in London, on April 23, 2018, to commemorate the 25th anniversary of the murder of Stephen Lawrence. - Prince Harry will attended a memorial on Monday marking the 25th anniversary of the racist murder of black teenager Stephen Lawrence in a killing that triggered far-reaching changes to British attitudes and policing. The prince and his fiancee Meghan Markle joined Stephen's mother Doreen Lawrence, who campaigned tirelessly for justice after her son was brutally stabbed to death at a bus stop on April 22, 1993. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)
Britain's Prince Harry (R) and his US fiancee Meghan Markle arrive to attend a memorial service at St Martin-in-the-Fields in Trafalgar Square in London, on April 23, 2018, to commemorate the 25th anniversary of the murder of Stephen Lawrence. - Prince Harry will attended a memorial on Monday marking the 25th anniversary of the racist murder of black teenager Stephen Lawrence in a killing that triggered far-reaching changes to British attitudes and policing. The prince and his fiancee Meghan Markle joined Stephen's mother Doreen Lawrence, who campaigned tirelessly for justice after her son was brutally stabbed to death at a bus stop on April 22, 1993. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)
Britain's Prince Harry and his fiancee Meghan Markle arrive at a service at St Martin-in-The Fields to mark 25 years since Stephen Lawrence was killed in a racially motivated attack, in London, Britain, April 23, 2018. REUTERS/Peter Nicholls
LONDON, ENGLAND - APRIL 23: Prince Harry and Meghan Markle attend the 25th Anniversary Memorial Service to celebrate the life and legacy of Stephen Lawrence at St Martin-in-the-Fields on April 23, 2018 in London, England. (Photo by Jeff Spicer/Getty Images)
LONDON, ENGLAND - APRIL 21: Prince Harry and Meghan Markle arrive at the Royal Albert Hall to attend a star-studded concert to celebrate the Queen's 92nd birthday on April 21, 2018 in London, England. The Queen and members of the royal family are guests of honour at the celebration, which is being billed as The Queen's Birthday Party. (Photo by John Stillwell - WPA Pool/Getty Images)
LONDON, ENGLAND - APRIL 21: Prince Harry and Meghan Markle take their seats at a star-studded concert to celebrate the Queen's 92nd birthday at the Royal Albert Hall on April 21, 2018 in London, England. The Queen and members of the royal family are guests of honour at the celebration, which is being billed as The Queen's Birthday Party. (Photo by John Stillwell - WPA Pool/Getty Images)
LONDON, ENGLAND - APRIL 21: Prince Harry and Meghan Markle arrive at the Royal Albert Hall to attend a star-studded concert to celebrate the Queen's 92nd birthday on April 21, 2018 in London, England. The Queen and members of the royal family are guests of honour at the celebration, which is being billed as The Queen's Birthday Party. (Photo by John Stillwell - WPA Pool/Getty Images)
LONDON, UNITED KINGDOM - April 21: Prince Harry and Meghan Markle attend a reception hosted by Malcolm Turnbull, Prime Minister of Australia and his wife Lucy Turnbull at Australia House on April 21, 2018 in London, England. Celebrating the forthcoming Invictus Games Sydney 2018. PHOTOGRAPH BY Michael Dunlea / Barcroft Images (Photo credit should read Michael Dunlea / Barcroft Images / Barcroft Media via Getty Images)
LONDON, ENGLAND - APRIL 21: Prince Harry and Meghan Markle arrive to attend the Invictus Games Reception hosted by Malcolm Turnbull, Prime Minister of Australia (R) and his wife Lucy Turnbull at Australia House on April 21, 2018 in London, England. (Photo by Alastair Grant - WPA Pool/Getty Images)
LONDON, ENGLAND - APRIL 21: Meghan Markle and Prince Harry attend the Invictus Games Reception at Australia House on April 21, 2018 in London, England. (Photo by Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - APRIL 19: Foreign Secretary Boris Johnson, Meghan Markle and Prince Harry speak with guests as they attend the Women's Empowerment reception hosted by the Foreign Secretary during the Commonwealth Heads of Government Meeting at the Royal Aeronautical Society on April 19, 2018 in London, England. (Photo by Chris Jackson - WPA Pool/Getty Images)
LONDON, ENGLAND - APRIL 19: Meghan Markle and Prince Harry speak with guests as they attend the Women's Empowerment reception hosted by Foreign Secretary Boris Johnson during the Commonwealth Heads of Government Meeting at the Royal Aeronautical Society on April 19, 2018 in London, England. (Photo by Chris Jackson - WPA Pool/Getty Images)
Britain's Foreign Secretary Boris Johnson (L), Britain's Prince Harry and his fiancee, US actress Meghan Markle (C), speak with guests at a reception for Women's Empowerment at the Royal Aeronautical Society in central London, on the fourth day of the Commonwealth Heads of Government Meeting (CHOGM) on April 19, 2018. (Photo by CHRIS JACKSON / POOL / Getty Images) (Photo credit should read CHRIS JACKSON/AFP/Getty Images)
Britain's Prince Harry (R) and his fiancee US actress Meghan Markle, arrive to attend a reception with delegates from the Commonwealth Youth Forum in central London on April 18, 2017, on the sidelines of the Commonwealth Heads of Government meeting (CHOGM). / AFP PHOTO / POOL / Yui Mok (Photo credit should read YUI MOK/AFP/Getty Images)
Britain's Prince Harry (2R) and his fiancee US actress Meghan Markle (C), arrive to attend a reception with delegates from the Commonwealth Youth Forum in central London on April 18, 2017, on the sidelines of the Commonwealth Heads of Government meeting (CHOGM). / AFP PHOTO / POOL / Yui Mok (Photo credit should read YUI MOK/AFP/Getty Images)
LONDON, ENGLAND - APRIL 18: Meghan Markle and Prince Harry attend a reception with delegates from the Commonwealth Youth Forum during the Commonwealth Heads of Government Meeting at the Queen Elizabeth II Conference Centre on April 18, 2018 in London, England. (Photo by Chris Jackson/Getty Images)
BATH, ENGLAND - APRIL 06: Prince Harry and Meghan Markle attend the UK Team Trials for the Invictus Games Sydney 2018 at University of Bath on April 6, 2018 in Bath, England. (Photo by Samir Hussein/WireImage)
BATH, ENGLAND - APRIL 06: Prince Harry and Meghan Markle attend the UK Team Trials for the Invictus Games Sydney 2018 at University of Bath on April 6, 2018 in Bath, England. (Photo by Samir Hussein/WireImage)
BATH, UNITED KINGDOM - APRIL 06: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Meghan Markle and Prince Harry attend the UK Team Trials for the Invictus Games Sydney 2018 at the University of Bath on April 6, 2018 in Bath, England. (Photo by Max Mumby/Indigo/Getty Images)
BELFAST, NORTHERN IRELAND - MARCH 23: Prince Harry and Meghan Markle visit Catalyst Inc, Northern Ireland�s next generation science park, to meet young entrepreneurs and innovators on March 23, 2018 in Belfast, Nothern Ireland. (Photo by Chris Jackson - Pool/Getty Images)
BELFAST, UNITED KINGDOM - MARCH 23: Prince Harry (R) and Meghan Markle interact with the crowd as they depart from to the Crown Liquor Saloon during their visit to Northern Ireland on March 23, 2018 in Belfast, Northern Ireland, United Kingdom. (Photo by Charles McQuillan/Getty Images)
LISBURN, NORTHERN IRELAND - MARCH 23: Prince Harry and Meghan Markle visit the Eikon Centre and attend an event to mark the second year of the youth-led peace-building initiative 'Amazing the Space' on March 23, 2018 in Lisburn, Nothern Ireland. (Photo by Arthur Edwards - WPA Pool/Getty Images)
EDINBURGH, SCOTLAND - FEBRUARY 13: Prince Harry and Meghan Markle are seen during a walkabout on the esplanade at Edinburgh Castle with Prince Harry on February 13, 2018 in Edinburgh, Scotland. (Photo by Andrew Milligan - WPA Pool/Getty Images)
EDINBURGH, SCOTLAND - FEBRUARY 13: Prince Harry and Meghan Markle visit Social Bite, a cafe that donates all profits to social causes, during their first official joint visit to Scotland on February 13, 2018 in Edinburgh, Scotland. (Photo by Samir Hussein/Samir Hussein/ WireImage)
Prince Harry and Meghan Markle during a walkabout on the esplanade at Edinburgh Castle, during their visit to Scotland. (Photo by John Linton/PA Images via Getty Images)
Prince Harry and Meghan Markle arrive to attend the annual Endeavour Fund Awards at Goldsmiths' Hall in London, to celebrate the achievements of wounded, injured and sick servicemen and women who have taken part in sporting and adventure challenges over the last year. (Photo by John Stillwell/PA Images via Getty Images)
Britain's Prince Harry (R) and his fiancee US actress Meghan Markle (L) arrive to attend the annual Endeavour Fund Awards at Goldsmiths' Hall in London on February 1, 2018. Prince Harry and Meghan Markle attended the second annual Endeavour Fund Awards ceremony in London. The Endeavour Fund Awards celebrate the achievements of wounded, injured and sick veterans who have taken part in remarkable sporting and adventure challenges as part of their recovery and rehabilitation. / AFP PHOTO / POOL / Ben STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)
Prince Harry and Meghan Markle arrive to attend the annual Endeavour Fund Awards at Goldsmiths' Hall in London, to celebrate the achievements of wounded, injured and sick servicemen and women who have taken part in sporting and adventure challenges over the last year. (Photo by John Stillwell/PA Images via Getty Images)
Britain's Prince Harry (R) and his fiancee US actress Meghan Markle (L) arrive to attend the annual Endeavour Fund Awards at Goldsmiths' Hall in London on February 1, 2018. Prince Harry and Meghan Markle attended the second annual Endeavour Fund Awards ceremony in London. The Endeavour Fund Awards celebrate the achievements of wounded, injured and sick veterans who have taken part in remarkable sporting and adventure challenges as part of their recovery and rehabilitation. / AFP PHOTO / POOL AND AFP PHOTO / Ben STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)
CARDIFF, WALES - JANUARY 18: Prince Harry and his fiancee Meghan Markle sign autographs and shake hands with children as they arrive to a walkabout at Cardiff Castle on January 18, 2018 in Cardiff, Wales. (Photo by Chris Jackson/Chris Jackson/Getty Images)
Prince Harry and Meghan Markle during a visit to Cardiff Castle. (Photo by Andrew Matthews/PA Images via Getty Images)
CARDIFF, WALES - JANUARY 18: Prince Harry and his fiancee Meghan Markle are seen during a walkabout at Cardiff Castle on January 18, 2018 in Cardiff, Wales. (Photo by Karwai Tang/Karwai Tang/WireImage)
CARDIFF, WALES - JANUARY 18: Prince Harry and his fiancee Meghan Markle meet well wishers as they arrive to a walkabout at Cardiff Castle on January 18, 2018 in Cardiff, Wales. (Photo by Ben Birchall - WPA Pool/Getty Images)
CARDIFF, WALES - JANUARY 18: Prince Harry and his fiancee Meghan Markle are seen during a walkabout at Cardiff Castle on January 18, 2018 in Cardiff, Wales. (Photo by Chris Jackson/Chris Jackson/Getty Images)
LONDON, ENGLAND - JANUARY 09: Prince Harry and Meghan Markle visit Reprezent 107.3FM on January 9, 2018 in London, England. The Reprezent training programme was established in Peckham in 2008, in response to the alarming rise in knife crime, to help young people develop and socialise through radio. (Photo by Neil Mockford/GC Images)
LONDON, ENGLAND - JANUARY 09: Prince Harry (R) and his fiancee Meghan Markle visit Reprezent 107.3FM on January 9, 2018 in London, England. The Reprezent training programme was established in Peckham in 2008, in response to the alarming rise in knife crime, to help young people develop and socialise through radio. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JANUARY 09: Prince Harry (R) and his fiancee Meghan Markle visit Reprezent 107.3FM on January 9, 2018 in London, England. The Reprezent training programme was established in Peckham in 2008, in response to the alarming rise in knife crime, to help young people develop and socialise through radio. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JANUARY 09: Prince Harry (R) and his fiancee Meghan Markle visit Reprezent 107.3FM on January 9, 2018 in London, England. The Reprezent training programme was established in Peckham in 2008, in response to the alarming rise in knife crime, to help young people develop and socialise through radio. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - JANUARY 09: Prince Harry (R) and his fiancee Meghan Markle visit Reprezent 107.3FM on January 9, 2018 in London, England. The Reprezent training programme was established in Peckham in 2008, in response to the alarming rise in knife crime, to help young people develop and socialise through radio. (Photo by Chris Jackson/Getty Images)
Prince Harry and Meghan Markle arriving for a visit to youth-orientated radio station, Reprezent FM, in Brixton, south London to learn about its work supporting young people. (Photo by Yui Mok/PA Images via Getty Images)
The Duke and Duchess of Cambridge, Meghan Markle and Prince Harry leave the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)
US actress and fiancee of Britain's Prince Harry Meghan Markle (L) and Britain's Prince Harry (R) stand together as they wait to see off Britain's Queen Elizabeth II after attending the Royal Family's traditional Christmas Day church service at St Mary Magdalene Church in Sandringham, Norfolk, eastern England, on December 25, 2017. / AFP PHOTO / Adrian DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)
(Left-right front) Lady Louise Windsor, the Duke of Edinburgh, (left-right centre) The Duke and Duchess of Cambridge, Meghan Markle and Prince Harry arriving to attend the Christmas Day morning church service at St Mary Magdalene Church in Sandringham, Norfolk. (Photo by Joe Giddens/PA Images via Getty Images)
KING'S LYNN, ENGLAND - DECEMBER 25: Meghan Markle and Prince Harry attend Christmas Day Church service at Church of St Mary Magdalene on December 25, 2017 in King's Lynn, England. (Photo by Chris Jackson/Getty Images)
TOPSHOT - (L-R) US actress and fiancee of Britain's Prince Harry Meghan Markle and Britain's Prince Harry arrive to attend the Royal Family's traditional Christmas Day church service at St Mary Magdalene Church in Sandringham, Norfolk, eastern England, on December 25, 2017. / AFP PHOTO / Adrian DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)
KING'S LYNN, ENGLAND - DECEMBER 25: (L-R) Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge, Meghan Markle and Prince Harry attend Christmas Day Church service at Church of St Mary Magdalene on December 25, 2017 in King's Lynn, England. (Photo by Chris Jackson/Getty Images)
Prince Harry and Meghan Markle arriving for the Queen's Christmas lunch at Buckingham Palace, London. (Photo by Jonathan Brady/PA Images via Getty Images)
LONDON, ENGLAND - DECEMBER 20: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Harry and Meghan Markle arrive for the Queen's Christmas lunch at Buckingham Palace on December 20, 2017 in London, England. (Photo by Karwai Tang/WireImage)
NOTTINGHAM, ENGLAND - DECEMBER 01: Prince Harry and Meghan Markle go on a walk about at Nottingham Contemporary on December 1, 2017 in Nottingham, England. Prince Harry and Meghan Markle announced their engagement on Monday 27th November 2017 and will marry at St George's Chapel, Windsor Castle in May 2018. (Photo by Samir Hussein/Samir Hussein/WireImage)
NOTTINGHAM, ENGLAND - DECEMBER 01: Prince Harry and Meghan Markle go on a walk about at Nottingham Contemporary on December 1, 2017 in Nottingham, England. Prince Harry and Meghan Markle announced their engagement on Monday 27th November 2017 and will marry at St George's Chapel, Windsor Castle in May 2018. (Photo by Samir Hussein/WireImage)
NOTTINGHAM, UNITED KINGDOM - DECEMBER 01: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Harry and Meghan Markle attend a Terrence Higgins Trust World AIDS Day charity fair at Nottingham Contemporary on December 1, 2017 in Nottingham, England. Prince Harry and Meghan Markle announced their engagement on Monday 27th November 2017 and will marry at St George's Chapel, Windsor in May 2018. (Photo by Max Mumby/Indigo/Getty Images)
NOTTINGHAM, ENGLAND - DECEMBER 01: Prince Harry and fiancee Meghan Markle attend the Terrence Higgins Trust World AIDS Day charity fair at Nottingham Contemporary on December 1, 2017 in Nottingham, England. Prince Harry and Meghan Markle announced their engagement on Monday 27th November 2017 and will marry at St George's Chapel, Windsor Castle in May 2018. (Photo by Karwai Tang/WireImage)
Britain's Prince Harry and his fiancee, US actress Meghan Markle gesture during their visit to Nottingham Academy in Nottingham, central England, on December 1, 2017. Prince Harry and his American actress fiancee Meghan Markle were welcomed by hundreds of people on their first royal visit as a couple since announcing their engagement this week. / AFP PHOTO / POOL / Andy Stenning (Photo credit should read ANDY STENNING/AFP/Getty Images)
NOTTINGHAM, ENGLAND - DECEMBER 01: Prince Harry and his fiancee US actress Meghan Markle pose for a photograph with the cast and crew of a hip hop opera performed by young people involved in the Full Effect programme at the Nottingham Academy school on December 1, 2017 in Nottingham, England. Prince Harry and Meghan Markle announced their engagement on Monday 27th November 2017 and will marry at St George's Chapel, Windsor in May 2018. (Photo by Matt Dunham - WPA Pool/Getty Images)
NOTTINGHAM, ENGLAND - DECEMBER 01: Prince Harry and his fiancee US actress Meghan Markle visit the Terrence Higgins Trust World AIDS Day charity fair at Nottingham Contemporary on December 1, 2017 in Nottingham, England. Prince Harry and Meghan Markle announced their engagement on Monday 27th November 2017 and will marry at St George's Chapel, Windsor in May 2018. (Photo by Adrian Dennis - WPA Pool/Getty Images)
Britain's Prince Harry and his fiancee US actress Meghan Markle greet wellwishers on a walkabout as they arrive for an engagement at Nottingham Contemporary in Nottingham, central England, on December 1, 2017 which is hosting a Terrence Higgins Trust World AIDS Day charity fair. Prince Harry and Meghan Markle visited Nottingham in their first set of engagements together since announcing their engagement. / AFP PHOTO / Oli SCARFF (Photo credit should read OLI SCARFF/AFP/Getty Images)
LONDON, ENGLAND - NOVEMBER 27: Prince Harry and Meghan Markle attend an official photocall to announce their engagement at The Sunken Gardens at Kensington Palace on November 27, 2017 in London, England. Prince Harry and Meghan Markle have been a couple officially since November 2016 and are due to marry in Spring 2018. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - NOVEMBER 27: Prince Harry and Meghan Markle attend an official photocall to announce their engagement at The Sunken Gardens at Kensington Palace on November 27, 2017 in London, England. Prince Harry and Meghan Markle have been a couple officially since November 2016 and are due to marry in Spring 2018. (Photo by Karwai Tang/WireImage)
LONDON, UNITED KINGDOM - NOVEMBER 27: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Harry and Meghan Markle attend an official photocall to announce their engagement at The Sunken Gardens, Kensington Palace on November 27, 2017 in London, England. Prince Harry and Meghan Markle have been a couple officially since November 2016 and are due to marry in Spring 2018. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, UNITED KINGDOM - NOVEMBER 27: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Prince Harry and Meghan Markle attend an official photocall to announce their engagement at The Sunken Gardens, Kensington Palace on November 27, 2017 in London, England. Prince Harry and Meghan Markle have been a couple officially since November 2016 and are due to marry in Spring 2018. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, ENGLAND - NOVEMBER 27: Prince Harry and Meghan Markle during an official photocall to announce the engagement of Prince Harry and actress Meghan Markle at The Sunken Gardens at Kensington Palace on November 27, 2017 in London, England. Prince Harry and Meghan Markle have been a couple officially since November 2016 and are due to marry in Spring 2018. (Photo by Samir Hussein/Samir Hussein/WireImage)
LONDON, ENGLAND - NOVEMBER 27: Prince Harry and Meghan Markle during an official photocall to announce the engagement of Prince Harry and actress Meghan Markle at The Sunken Gardens at Kensington Palace on November 27, 2017 in London, England. Prince Harry and Meghan Markle have been a couple officially since November 2016 and are due to marry in Spring 2018. (Photo by Chris Jackson/Getty Images)
TORONTO, ON - SEPTEMBER 30: Meghan Markle and Prince Harry are seen at the Closing Ceremony on day 8 of the Invictus Games Toronto 2017 at the Air Canada Centre on September 30, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Karwai Tang/WireImage)
TORONTO, ON - SEPTEMBER 30: Meghan Markle and Prince Harry are seen on day 8 of the Invictus Games Toronto 2017 on September 30, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Karwai Tang/WireImage)
TORONTO, ON - SEPTEMBER 25: Meghan Markle and Prince Harry attend the Wheelchair Tennis on day 3 of the Invictus Games Toronto 2017 at Nathan Philips Square on September 25, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Karwai Tang/WireImage)
TORONTO, ON - SEPTEMBER 25: Meghan Markle and Prince Harry attend the Wheelchair Tennis on day 3 of the Invictus Games Toronto 2017 at Nathan Philips Square on September 25, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Karwai Tang/WireImage)
TORONTO, ON - SEPTEMBER 25: Meghan Markle and Prince Harry attend wheelchair tennis on day 3 of the Invictus Games Toronto 2017 on September 25, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Samir Hussein/Samir Hussein/WireImage)
TORONTO, ON - SEPTEMBER 25: Meghan Markle and Prince Harry attend wheelchair tennis on day 3 of the Invictus Games Toronto 2017 on September 25, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Samir Hussein/WireImage)
TORONTO, ON - SEPTEMBER 25: Prince Harry (R) and Meghan Markle (L) attend a Wheelchair Tennis match during the Invictus Games 2017 at Nathan Philips Square on September 25, 2017 in Toronto, Canada (Photo by Chris Jackson/Getty Images for the Invictus Games Foundation )
TORONTO, ON - SEPTEMBER 25: Meghan Markle and Prince Harry attend the Wheelchair Tennis on day 3 of the Invictus Games Toronto 2017 at Nathan Philips Square on September 25, 2017 in Toronto, Canada. The Games use the power of sport to inspire recovery, support rehabilitation and generate a wider understanding and respect for the Armed Forces. (Photo by Karwai Tang/WireImage)
TORONTO, ON - SEPTEMBER 25: Prince Harry (R) and Meghan Markle (L) attend a Wheelchair Tennis match during the Invictus Games 2017 at Nathan Philips Square on September 25, 2017 in Toronto, Canada (Photo by Chris Jackson/Getty Images for the Invictus Games Foundation)
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Thankfully, no, it's simply another unfamiliar etiquette rule. Markle is divorced, and according to the ultimate in etiquette, The Emily Post Institute, "Ms." is the correct way to address her (as in Ms. Meghan Markle).

The invitations are slightly less formal than the Queen's decree of consent when it comes to the names being used. While in the decree, Markle's full given name, Rachel Meghan Markle, was used, on the invitation she is simply "Meghan." On the other hand, Prince Harry's given name, Henry, appears on the invitation, with his full name being Prince Henry Charles Albert David of Wales -- better known to us all as Harry.

Kensington Palace announced on Thursday that the invites, issued in the name of His Royal Highness The Prince of Wales, have been mailed to approximately 600 people.

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Duchess Kate's wedding dress
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Duchess Kate's wedding dress

Kate Middleton arrives to Westminster Abbey for her marriage to Britain's Prince William in central London April 29, 2011. (ROYAL-WEDDING/VIP) REUTERS/Kai Pfaffenbach (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY) FOR BEST QUALITY IMAGE: ALSO SEE GM1E76L16H301

The wedding ring and the engagement ring are seen on Britain's Catherine, Duchess of Cambridge, at Buckingham Palace in London. REUTERS/Ian West/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS)
Maid of Honour, Pippa Middleton (L) holds the wedding dress of her sister Catherine, Duchess of Cambridge, after her she married Britain's Prince William at Westminster Abbey, in central London April 29, 2011. Prince William married his fiancee, Kate Middleton, in Westminster Abbey on Friday. (ROYAL WEDDING/SERVICE) RREUTERS/Kirsty Wigglesworth/Pool (BRITAIN - Tags: ENTERTAINMENT SOCIETY ROYALS)
Detail from the wedding dress of Britain's Catherine, Duchess of Cambridge is seen as the dress is prepared for display at Buckingham Palace in London July 20, 2011. Buckingham Palace expects record crowds this summer as up to 650,000 people are set to file into Queen Elizabeth's London residence and past the dress worn by Kate Middleton at her royal wedding to Prince William. The ivory and white garment, designed by Sarah Burton for Alexander McQueen, won over the fashion press and public when Middleton, now the Duchess of Cambridge and a future queen, walked up the aisle of Westminster Abbey in April. Picture taken July 20, 2011. REUTERS/Lewis Whyld/Pool (BRITAIN - Tags: ROYALS TRAVEL SOCIETY ENTERTAINMENT)
The Cartier "Halo" tiara, worn by Britain's Catherine, Duchess of Cambridge on her wedding day, is seen as it is prepared for display at Buckingham Palace in London July 20, 2011. Buckingham Palace expects record crowds this summer as up to 650,000 people are set to file into Queen Elizabeth's London residence and past the dress worn by Kate Middleton at her royal wedding to Prince William. The ivory and white garment, designed by Sarah Burton for Alexander McQueen, won over the fashion press and public when Middleton, now the Duchess of Cambridge and a future queen, walked up the aisle of Westminster Abbey in April. Picture taken July 20, 2011. REUTERS/Lewis Whyld/Pool (BRITAIN - Tags: ROYALS TRAVEL SOCIETY ENTERTAINMENT)
This image is embargoed to 0001 Friday July 22 for Print Media, all other Broadcast and online media the image is embargoed to 0600 Friday July 22. The Duchess of Cambridge's wedding dress, designed by Sarah Burton for Alexander McQueen, before it goes on display at Buckingham Palace, London, during the annual summer opening.
LONDON, ENGLAND - APRIL 29: Catherine Middleton with the father Michael Middleton waves as she arrives to attend her Royal Wedding to Prince William of Wales at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Christopher Furlong/Getty Images)
LONDON, ENGLAND - APRIL 29: Catherine Middleton arrives to attend the Royal Wedding of Prince William to Catherine Middleton at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Dan Kitwood/Getty Images)
LONDON, ENGLAND - APRIL 29: Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge greet well-wishers from the balcony at Buckingham Palace on April 29, 2011 in London, England. (Photo by George Pimentel/WireImage)
LONDON, ENGLAND - APRIL 29: Catherine Middleton leaves the Goring Hotel to attend the Royal Wedding of Prince William at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Matthew Lloyd/Getty Images)
Kate Middleton (TopC) has her dress adjusted as she arrives with her father Michael at Westminster Abbey before her royal wedding to Britain's Prince William in central London on April 29, 2011. AFP PHOTO/ POOL/ SUZANNE PLUNKETT (Photo credit should read SUZANNE PLUNKETT/AFP/Getty Images)
This image is embargoed to 0001 Friday July 22 for Print Media, all other Broadcast and online media the image is embargoed to 0600 Friday July 22. The Duchess of Cambridge's wedding dress, designed by Sarah Burton for Alexander McQueen, before it goes on display at Buckingham Palace, London, during the annual summer opening.
LONDON, ENGLAND - APRIL 29: Catherine Middleton arrives to attend her Royal Wedding to Prince William of Wales at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Chris Jackson/Getty Images)
LONDON, ENGLAND - APRIL 29: Catherine Middleton with her father Michael Middleton smiles as she arrives to attend her Royal Wedding to Prince William of Wales at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Christopher Furlong/Getty Images)
LONDON, ENGLAND - APRIL 29: Catherine Middleton with her father, Michael Middleton arrives to attend her Royal Wedding to Prince William at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Tom Pilston - WPA Pool/Getty Images)
LONDON, ENGLAND - APRIL 29: Catherine Middleton arrives to attend the Royal Wedding of Prince William to Catherine Middleton at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Dan Kitwood/Getty Images)
Kate, Duchess of Cambridge, comes out of Westminster Abbey, with her husband Britain's Prince William (not pictured) following their wedding ceremony, in central London, on April 29, 2011. AFP PHOTO / CARL DE SOUZA (Photo credit should read CARL DE SOUZA/AFP/Getty Images)
Britain's Prince William's wife Kate, Duchess of Cambridge, smiles as they travel in the 1902 State Landau carriage along the Processional Route to Buckingham Palace, in London, on April 29, 2011. AFP PHOTO / BEN STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)
A combo of images showing Kate, Duchess of Cambridge's wedding dress and jewellery as she steps out of Westminster Abbey in London, after marrying Britain's Prince William on April 29, 2011. AFP PHOTO (Photo credit should read --/AFP/Getty Images)
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And the invitations are just as regal as one would expect! They were hand-crafted by Barnard and Westwood on a machine from the '30s, and feature the three-feathered badge of the Prince of Wales printed in American gold ink on English card.

"The wedding of Prince Harry and Ms. Meghan Markle will be a truly special occasion and we are thrilled to be able to create equally special invitations for their guests," Barnard and Westwood's managing director, Austen Kopley, said in a statement. "We are incredibly honoured to continue our longstanding work for The Royal Family, and to be involved in such an important moment for the couple and their family and friends."

Along with the invites being settled, the couple also selected pastry chef Claire Ptak, founder of Violet Bakery, to create their lemon elderflower wedding cake. The dessert will also feature the "bright flavours" of spring and will be covered with buttercream and decorated with fresh flowers.

Keep up with all of ET's Coverage of the Royal Wedding right here as we count down to May 19! And for more on that cake, watch the video below!

 

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