Beautiful at Every Age

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

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KIERNAN SHIPKA, 12

This precocious Mad Men star hasn't yet hit her teens, but she still ranks among the celebrities whose closets we'd most like to raid, thanks to her killer fashion instincts. She proves that beauty is as much about having fun with your style as it is about taking care of yourself.