News Pregnant Hilaria Baldwin Shares Underwear Selfie Published 12:21 PM PST, January 18, 2015 Instagram Many celebrities have posed nude while pregnant, but Hilaria Baldwin is showing off her baby bump with her underwear on. Alec Baldwin's wife posted a selfie in her lingerie on Sunday and revealed she's having a boy, writing: "He's getting bigger.” PHOTOS: Celebs Pose In Their Underwear This will be the second child for Hilaria, 30, and Alec, 56. Hilaria first made the announcement that she was expecting on Jan. 1 through a tweet saying, "We r thrilled to announce we r expecting another little addition!" NEWS: Jessica Simpson's Husband Wears Her Underwear The couple has a 1–year-old daughter named Carmen, and Alec also has a 19-year-old daughter Ireland from his previous marriage to Kim Basinger. Check out the video below to see more celebs who are expecting this year!