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.

SUPER SKIN SAVER

"For years, I just put Vaseline on my face," Weeds star Elizabeth Perkins tells PEOPLE of her nighttime beauty routine. "And then I started getting free stuff!" Her favorite new product? "Right now I'm really into Biologique serum. That stuff is dynamite! It makes your face go 'ah,'" she sighs. "It makes it tighter."