Meghan Markle has stepped out in her first royal gown – and it's a showstopper! When Meghan Markle appeared in her second wedding gown, a halter-dress by Stella McCartney, it was admired around the world. Meghan Markle, the New Duchess of Sussex, Wears Stella McCartney Dress to Wedding Dinner Markle changed into a sleeveless white silk crepe gown with a high collar. Meghan Markle's wedding dress was compared to a formal dress Bessette-Kennedy once wore during her life, and her reception dress had similarities to Bessette-Kennedy's now-classic 1990s-era slip dress, although Meghan Markle's reception dress was a 1990s-style halter dress. Just because she married into the royal family, doesn’t mean she has to stick to the rules all of the time. Meghan Markle debuted the dress, a stunningly simple boat-neck gown by Claire Waight Keller for Givenchy, earlier today during the wedding ceremony at St. George's Chapel. See her outfit pictures from the state reception and dinner in Fiji MEGHAN MARKLE, 36, married Prince Harry, 33, in a fairytale wedding this weekend.