Meghan Markle Dazzles in Black Dress at 'Lion King' Premiere in London

The Duchess of Sussex has her first red carpet appearance since giving birth to son Archie in May.

Meghan Markle made an appearance at the Lion King premiere on Sunday in London, England, her first red carpet appearance since giving birth to son Archie in May.

The 37-year-old Duchess of Sussex looked amazing, sporting a Jason Wu black dress with a semi-sheer top and sleeves that costs an estimated $4327. Wearing minimal makeup, Meghan kept her look rather simple, pulling her hair back into a bun and wearing a nude lip. She accessorized with a Gucci black stain clutch and black pumps by Aquazzura.

By her side was husband Prince Harry, who looked sharp in a black tuxedo.

A source told ET on Monday that Meghan was expected to attend the Lion King London premiere, unless Archie kept her at home at the last minute. Meghan has slowly been venturing out to public events in recent days, making a surprise appearance at Wimbledon to cheer on her good friend, Serena Williams, on July 4, and bringing Archie to the King Power Royal Charity Polo Day at Billingbear Polo Club in Berkshire on July 10. Meghan watched her husband, Prince Harry, play in the polo match, alongside Kate Middleton, who brought her three kids -- 5-year-old George, 4-year-old Charlotte, and 1-year-old Louis -- to watch Prince William play on the opposite team.

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Meghan also glowed in Dior at Archie's christening last Saturday, where she posed for a family photo. The regal photo included William and Kate; her mother, Doria Ragland; Prince Charles; Camila, Duchess of Cornwall; as well as Princess Diana's sisters, Lady Sarah McCorquodale and Lady Jane Fellowes.

Watch the video below for more on the intimate family event.