Beautiful at Every Age

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

RACHEL MCADAMS, 33

The Canadian actress was never really aware of her good looks growing up. "My mom never put a lot of emphasis on it, so I didn't either," she told InStyle. But Hollywood has taken notice. "That brain is substantial, and if you have that along with a face you can't take your eyes off, it's so compelling," her Morning Glory costar Diane Keaton gushed to Vogue. "It's rare."