Stephanie Pratt Parties in a Bikini For Her 24th Birthday!
Stephanie Pratt spent her 24th birthday at TAO Beach in Las Vegas on Sunday after partying with friends at Lavo the night before. She celebrated the day poolside in a tiny blue bikini, between posing for pictures with friends and fans and digging into her beach-themed birthday cake. Stephanie's sister-in-law and The Hills costar Heidi Montag got a lot of attention for her bikini-filled weekend in Vegas, but the two hot babes apparently didn't cross paths in Sin City. Click through to see the highlights from Stephanie's bikini birthday!