How Princess Diana was honored at Prince Harry and Meghan Markle's royal wedding

Princess Diana's spirit was certainly felt as her youngest son, Prince Harry, said "I do" to Meghan Markle on Saturday at St. George's Chapel in Windsor, England.

The couple was sure to include some subtle tributes to the late Princess of Wales, who died nearly 21 years ago, in both the ceremony and even in the floral arrangements. 

Diana’s sister, Lady Jane Fellowes, gave the only reading in the ceremony from the Song of Solomon, while her other two siblings, Earl Spencer and Lady Sarah McCorquodale, were also in attendance.

In a statement earlier this month released from Kensington Palace, the couple said they were "keen to involve [Harry's] mother's family in his wedding," and felt "honored" that Lady Jane would be "helping to celebrate the memory of the late princess on the wedding day."

The service also included the hymn "Guide Me, O Thy Great Redeemer," which was sung at Diana's funeral in 1997.

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Prince Harry and Meghan Markle's wedding
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Prince Harry and Meghan Markle's wedding
WINDSOR, UNITED KINGDOM - MAY 19: Britain's Prince Harry, Duke of Sussex kisses his wife Meghan, Duchess of Sussex as they leave from the West Door of St George's Chapel, Windsor Castle, in Windsor on May 19, 2018 in Windsor, England. (Photo by Ben STANSALL - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle leave St George's Chapel through the west door after their wedding in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Ben Birchall - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex, (L) and US fiancee of Britain's Prince Harry Meghan Markle arrive at the High Altar for their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle leave St George's Chapel after their wedding in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Ben Birchall - WPA Pool/Getty Images)
US actress Meghan Markle arrives for the wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry (left) walks with his best man, Prince William Duke of Cambridge, as he arrives at St George's Chapel at Windsor Castle for his wedding to Meghan Markle, on May 19, 2018 in Windsor, England. (Photo by Brian Lawless - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Meghan Markle arrives for the wedding ceremony to marry Prince Harry at St George's Chapel, Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Ben Stansall - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry, Duke of Sussex and The Duchess of Sussex depart following their wedding in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry (left) walks with his best man, Prince William Duke of Cambridge, as he arrives at St George's Chapel at Windsor Castle for his wedding to Meghan Markle, on May 19, 2018 in Windsor, England. (Photo by Brian Lawless - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex, (L) and US fiancee of Britain's Prince Harry Meghan Markle arrive at the High Altar for their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry (right) and his best man, Prince William, Duke of Cambridge take their seats at St George's Chapel at Windsor Castle before the wedding of Prince Harry to Meghan Markle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
Prince Harry's niece and bridesmaid Princess Charlotte (R) arrives for the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)
Prince Harry's niece and bridesmaid Princess Charlotte arrives for the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Chris Jackson / POOL / AFP) (Photo credit should read CHRIS JACKSON/AFP/Getty Images)
WINDSOR, ENGLAND - MAY 19: Prince Harry, Duke of Sussex and The Duchess of Sussex leave Windsor Castle in the Ascot Landau carriage during a procession after getting married at St Georges Chapel on May 19, 2018 in Windsor, England. (Photo by Gareth Fuller - WPA/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Catherine, Duchess of Cambridge (2ndL) and Jessica Mulroney (L) hold bridesmaids hands as they arrive for the wedding ceremony of Prince Harry and US actress Meghan Markle at St George's Chapel, Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Ben Stansall - WPA Pool/Getty Images)
US actress Meghan Markle arrives for the wedding ceremony to marry Britain's Prince Harry, Duke of Sussex, at St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Ben STANSALL / POOL / AFP) (Photo credit should read BEN STANSALL/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Meghan Markle arrives for the wedding ceremony to marry Prince Harry at St George's Chapel, Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Ben Stansall - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: (L-R) Prince Charles, Prince of Wales, Camilla, Duchess of Cornwall, Catherine, Duchess of Cambridge, Prince Andrew, Duke of York, Princess Beatrice, Princess Eugenie and Jack Brooksbank take their seats at St George's Chapel at Windsor Castle before the wedding of Prince Harry to Meghan Markle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex kisses his wife Meghan, Duchess of Sussex as they leave from the West Door of St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 after their wedding ceremony. (Photo by Ben Birchall / POOL / AFP) (Photo credit should read BEN BIRCHALL/AFP/Getty Images)
US actress Meghan Markle (C) walks down the aisle in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 during her wedding to Britain's Prince Harry, Duke of Sussex. (Photo by Danny Lawson / POOL / AFP) (Photo credit should read DANNY LAWSON/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: A general view of guests arriving in St George's Chapel at Windsor Castle before the wedding of Prince Harry to Meghan Markle on May 19, 2018 in Windsor, England. (Photo by Dominic Lipinski - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex and his wife Meghan, Duchess of Sussex wave from the Ascot Landau Carriage during their carriage procession on Castle Hill outside Windsor Castle in Windsor, on May 19, 2018 after their wedding ceremony. (Photo by PHIL NOBLE / POOL / AFP) (Photo credit should read PHIL NOBLE/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry looks at his bride, Meghan Markle, as she arrives accompanied by Prince Charles, Prince of Wales during their wedding in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
WINDSOR, ENGLAND - MAY 19: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex leave Windsor Castle in the Ascot Landau carriage during a procession after getting married at St Georges Chapel on May 19, 2018 in Windsor, England. Prince Henry Charles Albert David of Wales marries Ms. Meghan Markle in a service at St George's Chapel inside the grounds of Windsor Castle. Among the guests were 2200 members of the public, the royal family and Ms. Markle's Mother Doria Ragland. (Photo by Leon Neal/Getty Images)
Britain's Prince Harry, Duke of Sussex, (L) and US fiancee of Britain's Prince Harry Meghan Markle arrive at the High Altar for their wedding ceremony in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry lifts the veil of Meghan Markle during their wedding ceremony in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall attend the wedding of Prince Harry and Meghan Markle in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
WINDSOR, ENGLAND - MAY 19: Prince Harry, Duke of Sussex and Meghan, Duchess of Sussex leave Windsor Castle in the Ascot Landau carriage during the procession after getting married at St George's Chapel, Windsor Castle on May 19, 2018 in Windsor, England. Prince Henry Charles Albert David of Wales marries Ms. Meghan Markle in a service at St George's Chapel inside the grounds of Windsor Castle. Among the guests were 2200 members of the public, the royal family and Ms. Markle's Mother Doria Ragland. (Photo by Mark Milan/GC Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle during their wedding service, conducted by the Archbishop of Canterbury Justin Welby in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Dominic Lipinski - WPA Pool/Getty Images)
Britain's Prince Philip, Duke of Edinburgh waits in the chapel ahead of the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
Bishop Michael Bruce Curry gives a reading during the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
US fiancee of Britain's Prince Harry Meghan Markle (L) in St George's Chapel, Windsor Castle for her wedding to Britain's Prince Harry, Duke of Sussex, watched by (middle row L-R) Britain's Queen Elizabeth II, Britain's Prince Philip, Duke of Edinburgh, Britain's Prince Edward, Earl of Wessex, Page boy James, Viscount Severn, Britain's Sophie, Countess of Wessex, Britain's Lady Louise Windsor, Britain's Princess Anne, Princess Royal, Vice Admiral Timothy Laurence, (front row L-R) Britain's Prince William, Duke of Cambridge, Britain's Prince Charles, Prince of Wales, Britain's Camilla, Duchess of Cornwall, Duchess of Britain's Catherine, Duchess of Cambridge, and Britain's Prince Andrew, Duke of York. in the chapel for the wedding ceremony of Britain's Prince Harry, Duke of Sussex and US actress Meghan Markle in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry and Meghan Markle exchange vows during their wedding ceremony in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)
WINDSOR, UNITED KINGDOM - MAY 19: Prince Harry places the wedding ring on the finger of Meghan Markle during their wedding service, conducted by the Archbishop of Canterbury Justin Welby in St George's Chapel at Windsor Castle on May 19, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)
Britain's Prince Harry, Duke of Sussex (L) sits with US actress Meghan Markle (R) during the reading in St George's Chapel, Windsor Castle, in Windsor, on May 19, 2018 during their wedding ceremony. (Photo by Owen Humphreys / POOL / AFP) (Photo credit should read OWEN HUMPHREYS/AFP/Getty Images)
Prince Harry and Meghan Markle ride in an Ascot Landau along the Long Walk after their wedding in St George's Chapel in Windsor Castle. (Photo by Mike Egerton/PA Images via Getty Images)
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In addition to the reading and the hymn, Harry, 33, and Meghan, 36, also honored the People's Princess by having lots of white flowers strewn about the chapel. Diana is said to have loved white flowers, roses in particular. 

As for Meghan's bouquet, Harry reportedly handpicked several flowers from Kensington Palace to include in the arrangement, including forget-me-nots, another beloved flower of Diana’s.

There is expected to be another tribute when Diana's dear friend, Elton John, performs at the couple's wedding reception. A source told ET on Friday that the singer will take a moment to honor Diana and "say how much she is missed on this very special day."

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Princess Diana with her sons
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Princess Diana with her sons
VENICE, ITALY - MAY 5: (FILE PHOTO) (L-R) Diana the Princess of Wales holds her son Harry, whilst looking at Prince William held by his father Prince Charles on May 5, 1985 in Venice, Italy. Prince William will celebrate his 21st birthday on June 21, 2003. (Photo by Georges de Keerle/Getty Images)
Princes William and Harry with their mother, Diana, Princess of Wales (1961 - 1997) in the garden of Highgrove House in Gloucestershire, 18th July 1986. William is wearing a Dallas Cowboys t-shirt.(Photo by Tim Graham/Getty Images)
TETBURY, UNITED KINGDOM - JULY 18: Princess Diana At Highgrove With Prince William And Prince Harry Dressed In Miniature Parachute Regiment Uniforms And Playing On Their Slide In The Garden (Photo by Tim Graham/Getty Images)
TETBURY, UNITED KINGDOM - JULY 18: Princess Diana With Her Sons Prince William And Prince Harry Playing With A Playhouse In The Garden Of Their Home Highgrove (Photo by Tim Graham/Getty Images)
The Prince and Princess of Wales on holiday with their children, Princes William and Harry, at the Spanish royal residence Marivent Palace, August 1987. (Photo by Terry Fincher/Getty Images)
The Princess of Wales arriving at Aberdeen airport with her sons William and Harry for a holiday at Balmoral Castle, August 1986. Princess Diana is wearing a polo motive sweater by Mondi. (Photo by Jayne Fincher/Getty Images)
UNITED KINGDOM - DECEMBER 01: Prince Charles, Prince of Wales and Diana, Princess of Wales at home in Kensington Palace with their sons Prince William and Prince Harry (Photo by Tim Graham/Getty Images)
LONDON, UNITED KINGDOM - SEPTEMBER 16: Princess Diana And Prince William Leaving After Delivering Prince Harry To Mrs. Mynor's Nursery School. (Photo by Tim Graham/Getty Images)
LONDON, UNITED KINGDOM - JUNE 11: Diana, Princess Of Wales, Holding A Young Prince Harry In Her Arms As She Watches Trooping The Colour With Prince William And Princess Margaret From The Balcony Of Buckingham Palace. (Photo by Tim Graham/Getty Images)
BALMORAL, SCOTLAND - AUGUST 18: Diana, Princess of Wales, and Prince Harry play on the banks of the River Dee, near Balmoral Castle.during a Summer vacation, on August 18, 1987, in Balmoral, Scotland. (Photo by Julian Parker/UK Press via Getty Images)
NECKER ISLAND, BRITISH VIRGIN ISLANDS - JANUARY 9: Diana, Princess of Wales, with Prince Harry ( centre ), and her Niece's and Nephew's on holiday on Necker Island , on January 9, 1989 in Necker Island, British Virgin Islands. (Photo by Julian Parker/UK Press via Getty Images)
BATH - MAY 30: (FILE PHOTO) Prince William, Diana, Princess of Wales, Prince Harry and Charles, Prince of Wales, attend the wedding of the Duke of Hussey's daughter in May, 1989 in Bath, England. (Photo by Anwar Hussein/Getty Images)
LONDON - SEPTEMBER 12: (FILE PHOTO) Princess Diana with her sons Prince William and Prince Harry at Wetherby School on September 12, 1989 in London, England. It is Prince Harry's first day at school. (Photo by Anwar Hussein/Getty Images)
Diana, The Princess Of Wales Takes Her Sons, Prince'S William, And Harry Out On The Boat ' Maid Of The Mist ' To View Niagara Falls. (Photo by Julian Parker/UK Press via Getty Images)
CHERTSEY, UNITED KINGDOM - APRIL 18: Diana, Princess of Wales, with Prince Harry, on the Depth Charge ride at Thorpe Park, Theme Park, on April 18, 1992 in Chertsey United Kingdom . (Photo by Julian Parker/UK Press via Getty Images)
LECH, AUSTRIA - APRIL 10: Princess Diana With Princes William & Harry Skiing In Lech, Austria (Photo by Tim Graham/Getty Images)
Diana Princess Of Wales, Prince William & Prince Harry Visit The 'Thorpe Park' Amusement Park. (Photo by Julian Parker/UK Press via Getty Images)
AUSTRIA - MARCH 30: Lech: Princess Diana, sons William and Harry going to restaurant in calash In Lech, Austria On March 30, 1993. (Photo by Laurent SOLA/Gamma-Rapho via Getty Images)
LECH, AUSTRIA - MARCH 27: Princess Diana With Prince William & Prince Harry In Sleigh During Ski Holiday In Lech, Austria. Behind Are Diana's Friends Kate Menzies And Catherine Soames (Photo by Tim Graham/Getty Images)
LONDON, UNITED KINGDOM - AUGUST 19: Princess Diana, Prince Harry [ Waving ] And Prince William Watching The Parade Of Veterans On V J Day, The Mall, London. Designer Of Diana's Suit - Tomasz Starzewski (please Check - People Magazine, 04/12/1999) (Photo by Tim Graham/Getty Images)
EMBARGOED TO 0001 Sunday July 23, 2017. NO USE AFTER MONDAY JULY 31, 2017. NEWS EDITORIAL USE ONLY. NO USE ON THE FRONT COVERS OF ANY UK OR INTERNATIONAL MAGAZINES. NO COMMERCIAL USE (including any use in merchandising, advertising or any other non-editorial use including, for example, calendars, books and supplements). This photograph (whose copyright is vested in the Duke of Cambridge and Prince Harry) is provided to you on condition that you will make no charge for the supply, release or publication of it and that these conditions and restrictions will apply (and that you will pass these on) to any organisation to whom you supply it. All other requests for use should be directed to the Press Office at Kensington Palace in writing. This photograph released by Kensington Palace, from the personal photo album of the late Diana, Princess of Wales, shows the princess holding Prince William whilst pregnant with Prince Harry, and features in the new ITV documentary 'Diana, Our Mother: Her Life and Legacy', which airs on ITV at 21.00hrs on Monday 24th July.
EMBARGOED TO 0001 Sunday July 23, 2017. NO USE AFTER MONDAY JULY 31, 2017. NEWS EDITORIAL USE ONLY. NO USE ON THE FRONT COVERS OF ANY UK OR INTERNATIONAL MAGAZINES. NO COMMERCIAL USE (including any use in merchandising, advertising or any other non-editorial use including, for example, calendars, books and supplements). This photograph (whose copyright is vested in the Duke of Cambridge and Prince Harry) is provided to you on condition that you will make no charge for the supply, release or publication of it and that these conditions and restrictions will apply (and that you will pass these on) to any organisation to whom you supply it. All other requests for use should be directed to the Press Office at Kensington Palace in writing. This photograph released by Kensington Palace, from the personal photo album of the late Diana, Princess of Wales, shows the princess and Prince Harry on holiday and features in the new ITV documentary 'Diana, Our Mother: Her Life and Legacy', which airs on ITV at 21.00hrs on Monday 24th July.
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