Meghan Markle wears sexy mini dress to Lin-Manuel Miranda 'Hamilton' gala show with Prince Harry

Meghan Markle has stepped out in another fashionable frock, but this time, the former "Suits" actress buttoned up for the "Hamilton" Gala show in London wearing a sleek and sexy blazer mini dress.

On Wednesday, the Duchess of Sussex showed some leg while garbed in a $595 black Judith & Charles plunge neck-line tuxedo mini dress and matching pumps. Meghan joined her husband, Prince Harry, for a special gala performance of "Hamilton" with the show's creator, Lin-Manuel Miranda.

Britain's Prince Harry and Meghan, Duchess of Sussex Victoria Palace Theatre before attending a gala performance of the musical Hamilton, in support of the charity Sentebale, in London, Wednesday, Aug. 29 2018. The evening will raise awareness and funds for Sentebale's work with children and young people affected by HIV in southern Africa. (Dan Charity/Pool Photo via AP)

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The royal couple looked regal in their all-black ensembles and joined Miranda in the audience for the viewing of the popular musical. The Broadway outing marks the first time the Duke and Duchess have appeared in public since they attended the wedding of Harry's close friend, Charlie van Straubenzee, on Aug. 4, which was also Meghan's 37th birthday.

Britain's Prince Harry and Meghan, Duchess of Sussex Victoria Palace Theatre before attending a gala performance of the musical Hamilton, in support of the charity Sentebale, in London, Wednesday, Aug. 29 2018. The evening will raise awareness and funds for Sentebale's work with children and young people affected by HIV in southern Africa. (Dan Charity/Pool Photo via AP)

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In the van Straubenzee wedding, the Duchess turned heads yet again for her sexy, wedding look.

The royal wore a Club Monaco shirtdress with a pleated, multicolored skirt, and showed some skin when she accidentally let her black lace bra peep out from underneath the top of her dress.

OK! magazine reported that the newest royal apparently suffered a “wardrobe malfunction.” But proceeding to mingle with other wedding guests outside of the chapel, the birthday girl quickly buttoned up and carried on.  

FRENSHAM, UNITED KINGDOM - AUGUST 04:  Meghan, Duchess of Sussex attends the wedding of Daisy Jenks and Charlie Van Straubenzee at Saint Mary The Virgin Church on August 4, 2018 in Frensham, United Kingdom. Prince Harry attended the same prep school as Charlie van Straubenzee and have been good friends ever since.  (Photo by Karwai Tang/WireImage)

Markle on her 37th birthday arrived at Prince Harry's friends wedding with her top accidentally unbuttoned revealing a lacy bra underneath.  (Getty Images)

The Duchess managed to stay buttoned up for the special performance of "Hamilton." Following the show, she and her husband met and posed for photos with the actors and Harry even took part in the show and performed for the audience. 

Kensington Palace shared a video of the prince singing a few bars from the show's tune "You'll Be Back," with Miranda and the "Hamilton" cast behind him cheering him on. 

Fox News' Janine Puhak contributed to this report. 

Britain's Prince Harry and Meghan, Duchess of Sussex meet the cast after a gala performance of the musical Hamilton, in support of the charity Sentebale, at the Victoria Palace Theatre in London, Wednesday, Aug. 29 2018. The evening will raise awareness and funds for Sentebale's work with children and young people affected by HIV in southern Africa. (Dan Charity/Pool Photo via AP)

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You can find Morgan M. Evans on Twitter @themizfactor.