Hollywood at Home: Inside Stars' Favorite Rooms

From Melanie Griffith's living room to Lauren Conrad's tub, see where the celebs unwind at home!

SIMON'S LIVING ROOM

"I am literally obsessed by the way things look," Cowell says of his rented home in L.A., which boasts clean lines, a modern sensibility and comfort. But "I've thrown out more sofas than you could ever believe because they're uncomfortable."