Stars Show Off Their Bikini Bumps!

Molly Sims suits up in the Bahamas, Ali Larter is pretty in a two-piece and more moms-to-be who look just swell in swimwear

JESSICA SIMPSON

Oh, mama! While vacationing with her family in Hawaii before the New Year, the designer snapped this sexy shot of her growing belly. "Bumpin' and proud!" the new mom (she welcomed son Ace on June 30!) wrote Dec. 30, 2012, on Twitter after posting the photo.