Cressida Bonas turned heads when she arrived at Lady Tatiana Mountbatten's wedding on Saturday, debuting what appeared to be a baby bump.Following the celebrations, the actress - who was previously in a relationship with Prince Harry - took to Instagram to share a rare selfie with her husband, Harry Wentworth-Stanley.SEE: Cressida Bonas shares gorgeous baby photo with her husbandThe snapshot was taken on a beach, with the couple happily posing together and keeping the bump away from view.WATCH: Cressida Bonas arrives for the royal weddingCressida, 33, simply added a jumping heart GIF to the post. Cressida and her long-term love Harry tied the knot in a private wedding ceremony in July 2020 after announcing their engagement in August 2018.READ: 7 royal romances that didn't work outSEE: Cressida Bonas shares stunning bikini beach snapThe pair are believed to have met when they were both students at Leeds University; they briefly dated before the property developer left for a year abroad in Argentina.During this time, the actress embarked on a two-year relationship with Prince Harry after they were introduced to each other by Princess Eugenie in May 2012.