Meghan Markle and Prince Harry Make Stunning Appearance at Mountbatten Music Festival -- Pics

Prince Harry and Meghan Markle Mountbatten
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The couple looked fabulous in coordinated looks at London's Royal Albert Hall on Saturday.

This has to be Prince Harry and Meghan Markle's most stunning looks yet. 

The Duke and Duchess of Sussex took in an evening of music on Saturday at the Royal Albert Hall in London. Meghan and Harry made a very glamorous appearance at the Mountbatten Music Festival as a part of their recent return visit to the United Kingdom. 

The former Suits actress looked breathtaking in a long, bright red caped gown designed by Safiyaa, which she paired with matching crimson Aquazzura heels, Simone Rocha crystal beaded drop earrings and a silk cherry Manolo Blahnik clutch. Harry looked dapper in his red-and-black official uniform that perfectly coordinated with his lady love.

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The festival brings together world-class musicians, composers and conductors of the Massed Bands of Her Majesty’s Royal Marines. This year, the performance will mark the 75th anniversary of the end of the Second World War and the 80th anniversary of the formation of Britain’s Commandos.

The couple's official Instagram also posted a photo of them at the event on their Instagram. "The Duke, who is Captain General @RoyalMarines joined veterans, serving members, world-class musicians, composers and conductors of the Massed Bands of Her Majesty’s Royal Marines to help raise funds on behalf of the @RoyalMarines Charity," the post noted.

The appearance marked their second joint event in the U.K. since announcing they are stepping down as senior members of the royal family. The couple has since relocated with their 9-month-old son, Archie, to Vancouver Island, Canada, and plans to split their time between North America and the U.K. Their official transition takes place on March 31. 

They were previously spotted at the Endeavour Fund Awards on Thursday night and are next expected to attend the Commonwealth Service at Westminster Abbey on Monday alongside Queen Elizabeth II, Prince William, Kate Middleton, Prince Charles, and Camilla, Duchess of Cornwall. 

For more on the upcoming appearance, watch the clip below: