Meghan Markle reveals she's 'not allowed' to do one thing during first royal engagement with Prince Harry

Meghan Markle made quite the mark during her first ever official royal engagement on Friday.

Alongside new fiancé Prince Harry, the "Suits" actress was all smiles as she greeted hoards of fans in the English city of Nottingham before visiting with charities for World AIDS Day and stopping by a school to hear about Full Effect, an organization aimed at stopping youth violence.

SEE ALSO: Prince Harry, Meghan Markle step out on first royal visit as couple

As she greeted her adoring fans, Markle made a few off-the-cuff remarks that are making the rounds on Twitter. They seem to indicate that she's more than ready to take on the duties of a royal.

When a couple asked her for a selfie, for example, Markle revealed that she's "not allowed to do selfies," and politely declined. As royals expert Victoria Murphy pointed out, the moment shows that "Meghan is learning the royal ropes already."

See photos from Meghan Markle and Prince Harry's first official royal engagement:

30 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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In another moment, Markle remarked to a female fan about her gratefulness as the warm welcome she's been receiving in the UK.

"I can't believe it," she reportedly said. "I've been made so welcome and I can't believe it."

When two people confessed to Markle that they were fans of her USA Network drama, "Suits," she was positively gleeful.

"Oh, my God! Amazing!" she said with a smile. "You're so sweet. They still have a couple more seasons."

In perhaps her most viral moment of the day, Markle turned around to pick up a glove for a woman that accidentally dropped it over the barricade diving Meghan and Harry from the crowds. 

Meghan and Harry's outing came just four days after the pair announced their recent engagement to the world on Monday. 

See photos from Prince Harry and Meghan Markle's engagement photocall below:

27 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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