This will be Harry and Meghan’s first event as a married couple

The celebration continues! Prince Harry and Meghan Markle are scheduled to attend their first official engagement as a married couple on Tuesday, May 22, just three days after their wedding.

Kensington Palace announced on Monday, May 14, that the British prince, 33, and the former actress, 36, will celebrate his father Prince Charles’ 70th birthday a few months early in the garden of Buckingham Palace. More than 6,000 people, including Prince William and Duchess Camilla, have been invited to the event, which will honor Charles’ patronage, military affiliations and the many charities he supports.

The gathering will also recognize the emergency personnel who responded to the May 2017 terror attack at Ariana Grande’s concert at the Manchester Arena. In addition, there will be performances by groups including the Band of the Welsh Guards and the National Youth Pipe Band of Scotland.

Kensington Palace previously announced that Harry and Markle had postponed their honeymoon so that they could attend Charles’ patronage celebration. The location and dates for the couple’s getaway have not yet been announced.

The former Army helicopter pilot and the Suits alum are set to tie the knot at St. George’s Chapel at Windsor Castle on Saturday, May 19. Her father, Thomas Markle, was supposed to walk her down the aisle, but he claimed to TMZ on Monday that he recently suffered a heart attack and no longer plans to attend the royal wedding.

“This is a deeply personal moment for Ms. Markle in the days before her wedding,” Kensington Palace said in a statement on Monday. “She and Prince Harry ask again for understanding and respect to be extended to Mr. Markle in this difficult situation.”

The news of Thomas’ planned absence came just one day after a video emerged of him seemingly staging photos with paparazzi in Mexico. The bride-to-be’s estranged half-sister, Samantha Markle, later took responsibility, writing in a since-deleted tweet on Monday that she “suggested he do positive photos for his benefit and the benefit of the royal family.”

A source told Us Weekly exclusively that Meghan is “upset and disturbed by the entire ordeal and just wants to move past it.”

14 PHOTOS
Prince Harry and Meghan Markle in 2018
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Prince Harry and Meghan Markle in 2018
Britain's Prince Harry, and his fiancee Meghan Markle, leave after a visit to the Titanic tourist attraction in Belfast, Northern Ireland March 23, 2018. REUTERS/Darren Staples
Britain's Prince Harry and his fiancee Meghan Markle meet local school children during a walkabout on a visit to Birmingham, Britain, March 8, 2018. REUTERS/Phil Noble
Britain's Prince Harry, Patron of the Invictus Games Foundation, throws a volleyball as he and Meghan Markle watch a sitting volleyball match during a visit to the team trials for the Invictus Games Sydney 2018 at the University of Bath Sports Training Village in Bath, Britain, April 6, 2018. Kirsty Wigglesworth/Pool via Reuters
Britain's Prince Harry, Patron of the Invictus Games Foundation, and Meghan Markle watch athletes at the team trials for the Invictus Games Sydney 2018 at the University of Bath Sports Training Village in Bath, Britain, April 6, 2018. REUTERS/Peter Nicholls
Prince Harry and Meghan Markle visit Catalyst Inc science park in Belfast, Northern Ireland March 23, 2018. Niall Carson/Pool via REUTERS
Meghan Markle and Britain's Prince Harry visit a cafe and social business called Social Bite in Edinburgh, Britain, February 13, 2018. REUTERS/Owen Humphreys/Pool
Meghan Markle and Britain's Prince Harry, meet members of the public during a walkabout on the esplanade at Edinburgh Castle, Britain, February 13, 2018. REUTERS/Andrew Milligan/Pool
Britain's Prince Harry whispers to Meghan Markle as they watch a dance performance by Jukebox Collective in the banqueting hall during a visit to Cardiff Castle in Cardiff, Britain, January 18, 2018. REUTERS/Ben Birchall/Pool
Britain's Prince Harry and his fiancee Meghan Markle watch a dance performance by Jukebox Collective in the banqueting hall during a visit to Cardiff Castle in Cardiff, Britain, January 18, 2018. REUTERS/Ben Birchall/Pool
Britain's Prince Harry and his fiancee Meghan Markle greet well wishers as they leave after visiting radio station Reprezent FM, in Brixton, London January 9, 2018. REUTERS/Peter Nicholls
Britain's Prince Harry and his fiancee Meghan Markle attend a Service of Thanksgiving and Commemoration on ANZAC Day at Westminster Abbey in London, Britain, April 25, 2018. Eddie Mulholland/Pool via Reuters
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
Meghan Markle and Prince Harry 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. Chris Jackson/Pool via Reuters
Britain's Prince Harry and his fiancee Meghan Markle attend a reception with delegates from the Commonwealth Youth Forum at the Queen Elizabeth II Conference Centre, London, April 18, 2018. Yui Mok/Pool via Reuters
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