Aloha, Audrina Patridge's baby bump! Earlier this week, the former The Hills star escaped to the gorgeous island of Hawaii for a relaxing getaway with fiancé BMX rider Corey Bohan, and on Saturday, the two were seen taking a dip in the ocean. Audrina, who recently revealed she is having a baby girl, flaunted her blossoming belly in a bikini, and happily struck poses for Corey, who snapped pictures of her with his camera. Audrina's also taken to Instagram to upload a couple photos from her trip, including one of her and Corey sticking out their bellies, jokingly writing, "2 buns and 1 in the oven." Keep reading to see more of her dreamy vacation, and then check out even more stars who are expecting babies this year.