Sleeping Beauties: How Hollywood Gets Gorgeous at Night

From Heidi Klum's tip for sexy hair to Kim Kardashian's trick, stars and their glam squads share their favorite tricks to getting gorgeous – during sleep. By Katherine Kluznik Rentmeester.


For star hairstylist David Babaii, deep-conditioning locks is all about heating things up – naturally. He recommends combing through his signature WildAid Hydrating Conditioner ($15) – his all-natural line with Kate Hudson – to dry hair before topping with a shower cap for maximum overnight effects. "The cap creates a sauna-like effect that helps the conditioner warm," he says, "which in turn results in a deeper penetration of moisture."