Beautiful at Every Age

From Blake Lively and Katharine McPhee to Elle Macpherson and Mary Steenburgen, these stunners prove true beauty is timeless

KATE BOSWORTH, 29

With her delicate features and porcelain complexion, Bosworth can't help but stand out from Hollywood's other blonde beauties. So what's her best-kept beauty secret? "I'm super-conscious about my skin and have never gone to bed without washing my face with Cetaphil," she told InStyle.