Prince Harry to help Meghan Markle with royal protocols, source says: 'He'll be taking care of her'

Meghan Markle has Prince Harry's total support.

Meghan, who's engaged to the 33-year-old royal, is of course getting ready to join the royal family, and a source tells ET that she's in good hands when it comes to making the big transition, thanks to her fiance. The source likens their situation to Prince William marrying Kate Middleton in 2011.

“It’s a given that Prince Harry will give Meghan training in a rundown of what’s expected,” the source says. “He’ll be taking care of her just like William did with Kate. Kate had an idea of royal protocol; Meghan has no experience with them at all.”

According to the source, some of the training will include Meghan learning who to curtsy to, when to sit down for lunch, not to eat before the queen eats, as well as various other royal protocols.

But it's not all work for the attractive pair -- another source tells ET that Harry and Meghan are expected to go on vacation in the new year before their wedding, which is set to take place in May 2018 at St. George's Chapel in Windsor Castle. 

See photos of Meghan Markle and Prince Harry together:

29 PHOTOS
Prince Harry and Meghan Markle's first royal visit
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Prince Harry and Meghan Markle's first royal visit
Britain's Prince Harry and his fiancee Meghan Markle arrive at an event in Nottingham, December 1, 2017. REUTERS/Eddie Keogh
NOTTINGHAM, ENGLAND - DECEMBER 01: Prince Harry and Meghan Markle visit 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 Christopher Furlong/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)
NOTTINGHAM, ENGLAND - DECEMBER 01: Meghan Markle visits 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 Christopher Furlong/Getty Images)
People hold U.S. and British flags as they wait for Britain's Prince Harry and his fiancee Meghan Markle to attend an event in Nottingham, December 1, 2017. REUTERS/Eddie Keogh
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)
NOTTINGHAM, ENGLAND - DECEMBER 01: Prince Harry and Meghan Markle interact with crowd as they visit 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 Christopher Furlong/Getty Images)
People hold U.S. and British flags as they wait for Britain's Prince Harry and his fiancee Meghan Markle to attend an event in Nottingham, December 1, 2017. REUTERS/Eddie Keogh
Britain's Prince Harry and his fiancee US actress Meghan Markle are greeted as they arrive to attend a Terrence Higgins Trust World AIDS Day charity fair at Nottingham Contemporary in Nottingham, central England, on December 1, 2017. Prince Harry and Meghan Markle visited Nottingham in their first set of engagements together since announcing their engagement. During their first engagament of the day at a Terrence Higgins Trust World AIDS Day charity fair the prince and Markle met representatives from a number of institutes and charities that do specific work around HIV/AIDS. / AFP PHOTO / POOL / Adrian DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)
Chelsea Pensioners deliver a jumbo hand-signed engagement card to Prince Harry and Meghan Markle at Kensington Palace in London. (Photo by Stefan Rousseau/PA Images via Getty Images)
Britain's Prince Harry greets wellwishers on a walkabout as he arrives 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)
People look out from a window above Kringle's Toy Emporium as they wait to greet Prince Harry and his fiancee US actress Meghan Markle when they arrive for a walkabout and an engagement at the Nottingham Contemporary in Nottingham, central England, on December 1, 2017. Prince Harry and Meghan Markle visited Nottingham in their first set of engagements together since announcing their engagement. / AFP PHOTO / POOL / Adrian DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)
Britain's Prince Harry and his fiancee Meghan Markle greet well wishers as they arrive at an event in Nottingham, December 1, 2017. REUTERS/Eddie Keogh
Meghan Markle arriving at the Nottingham Contemporary in Nottingham, to attend a Terrence Higgins Trust World AIDS Day charity fair on their first official engagement together. (Photo by Joe Giddens/PA Images via Getty Images)
Police secure the area as wellwishers line the street waiting to greet Prince Harry and his fiancee US actress Meghan Markle along the route of a walkabout outside the venue Nottingham Contemporary during a visit to Nottingham, central England, on December 1, 2017. 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)
Britain's Prince Harry's fiancee US actress Meghan Markle greets 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)
Crowds gather outside the Nottingham Contemporary in Nottingham, ahead of a visit by Prince Harry and Meghan Markle to a Terrence Higgins Trust World AIDS Day charity fair on their first official engagement together. (Photo by Victoria Jones/PA Images via Getty Images)
Britain's Prince Harry and his fiancee US actress Meghan Markle are greeted as they arrive to attend a Terrence Higgins Trust World AIDS Day charity fair at Nottingham Contemporary in Nottingham, central England, on December 1, 2017. Prince Harry and Meghan Markle visited Nottingham in their first set of engagements together since announcing their engagement. During their first engagament of the day at a Terrence Higgins Trust World AIDS Day charity fair the prince and Markle met representatives from a number of institutes and charities that do specific work around HIV/AIDS. / AFP PHOTO / POOL / Adrian DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)
Britain's Prince Harry's fiancee US actress Meghan Markle greets 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)
NOTTINGHAM, ENGLAND - DECEMBER 01: Prince Harry and Meghan Markle interact with crowd as they visit 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 Christopher Furlong/Getty Images)
A wellwisher (C) holds a hot water bottle as she stands in a crowd waiting to greet Prince Harry and his fiancee US actress Meghan Markle along the route of a walkabout outside the venue Nottingham Contemporary during a visit to Nottingham, central England, on December 1, 2017. Prince Harry and Meghan Markle visited Nottingham in their first set of engagements together since announcing their engagement. / AFP PHOTO / POOL / Adrian DENNIS (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)
Prince Harry and Meghan Markle during a visit to the Nottingham Contemporary in Nottingham, to attend a Terrence Higgins Trust World AIDS Day charity fair on their first official engagement together. (Photo by Victoria Jones/PA Images via Getty Images)
Crowds gather outside the Nottingham Contemporary in Nottingham, ahead of a visit by Prince Harry and Meghan Markle to a Terrence Higgins Trust World AIDS Day charity fair on their first official engagement together. (Photo by Victoria Jones/PA Images via 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)
A person is seen reading the London Evening Standard with the news that Prince Harry has announced his engagement to Meghan Markle, London, Britain, November 27, 2017. REUTERS/Darrin Zammit Lupi
Britain's Prince Harry and his fiancee Meghan Markle greet well wishers as they arrive at an event in Nottingham, December 1, 2017. REUTERS/Eddie Keogh
Britain's Prince Harry greets wellwishers on a walkabout as he arrives 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)
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)
Prince Harry and Meghan Markle arrive at the Nottingham Contemporary in Nottingham, to attend a Terrence Higgins Trust World AIDS Day charity fair on their first official engagement together. (Photo by Joe Giddens/PA Images via Getty Images)
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Meanwhile, both Harry and Meghan are getting in tip-top shape for their upcoming nuptials. ET has learned that Harry has been working out at the ultra-exclusive KX health club in Chelsea, London, with his protection officer in tow. The gym is no stranger to high-profile clientele, including Pippa Middleton and Adele's personal trainer, Pete Geracimo.

Staying in shape is clearly a priority for Harry -- he was snapped hitting the gym in London just one day after announcing his engagement to Meghan. 

Of course, Meghan is also no slouch when it comes to her fitness. ET has learned that trainers and health clubs have been vying for the 36-year-old former Suits actress to work out with them, including coach Russell Bateman, who heads the invite-only Skinny B**ch Collective class -- popular with celebs like Suki Waterhouse and Ellie Goulding -- and James Duigan’s Bodyism studio, which counts Rosie Huntington-Whiteley, David Beckham and Emilia Clarke as clients.

On Wednesday, a source told ET that Meghan is also seeking a professional martial arts trainer to teach her the basics of self-protection, though she'll of course travel with royal protection at all times.

“Meghan will be trained in many different [areas], including what public places she should avoid, what she should do if she was ever approached and attacked in public and how to release herself from a situation like that,” the source said.

According to the source, Meghan has also consulted with one of the U.K.’s best-known personal trainers “to get her in the best shape before the wedding in May.”

26 PHOTOS
Prince Harry and Meghan Markle engagement photo call
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Prince Harry and Meghan Markle engagement photo call
Britain's Prince Harry and his fianc� US actress Meghan Markle pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Britain's Prince Harry and his fianc� US actress Meghan Markle pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
LONDON, ENGLAND - NOVEMBER 27: Meghan Markle with her engagemnt ring 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 Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - NOVEMBER 27: Prince Harry and actress Meghan Markle during 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 Chris Jackson/Chris Jackson/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 Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - NOVEMBER 27: Prince Harry and actress Meghan Markle during 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 Chris Jackson/Chris Jackson/Getty Images)
Britain's Prince Harry stands with his fianc� US actress Meghan Markle as she shows off her engagement ring whilst they pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Britain's Prince Harry and his fianc� US actress Meghan Markle pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Prince Harry and Meghan Markle at a photocall to announce their engagement at Kensington Palace, London. Photo credit should read: Doug Peters/EMPICS Entertainment
Prince Harry and Meghan Markle at a photocall to announce their engagement at Kensington Palace, London. Photo credit should read: Doug Peters/EMPICS Entertainment
Prince Harry and Meghan Markle at a photocall to announce their engagement at Kensington Palace, London. Photo credit should read: Doug Peters/EMPICS Entertainment
Prince Harry and Meghan Markle at a photocall to announce their engagement at Kensington Palace, London. Photo credit should read: Doug Peters/EMPICS Entertainment
Britain's Prince Harry and his fianc� US actress Meghan Markle pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
US actress Meghan Markle shows reacts as she poses with her fianc� Britain's Prince Harry in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / DANIEL LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Britain's Prince Harry and his fianc� US actress Meghan Markle pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Britain's Prince Harry and his fianc� US actress Meghan Markle arrive to pose for photographs in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
LONDON, ENGLAND - NOVEMBER 27: Prince Harry and actress Meghan Markle during 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 Chris Jackson/Chris Jackson/Getty Images)
LONDON, ENGLAND - NOVEMBER 27: Prince Harry and actress Meghan Markle during 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 Chris Jackson/Chris Jackson/Getty Images)
Britain's Prince Harry and his fianc� US actress Meghan Markle pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
LONDON, ENGLAND - NOVEMBER 27: Prince Harry and actress Meghan Markle during 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 Chris Jackson/Chris Jackson/Getty Images)
Britain's Prince Harry and his fianc� US actress Meghan Markle pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Britain's Prince Harry stands with his fianc� US actress Meghan Markle as she shows off her engagement ring whilst they pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
Prince Harry and Meghan Markle in the Sunken Garden at Kensington Palace, London, after the announcement of their engagement. (Photo by Dominic Lipinski/PA Images via 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 Mark Cuthbert/UK Press via 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 Mark Cuthbert/UK Press via Getty Images)
Britain's Prince Harry and his fianc� US actress Meghan Markle pose for a photograph in the Sunken Garden at Kensington Palace in west London on November 27, 2017, following the announcement of their engagement. Britain's Prince Harry will marry his US actress girlfriend Meghan Markle early next year after the couple became engaged earlier this month, Clarence House announced on Monday. / AFP PHOTO / Daniel LEAL-OLIVAS (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)
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