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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JANUARY JONES, 34

The model-turned-actress, who welcomed son Xander a year ago, found fame as icy trophy wife Betty Draper on Mad Men – a role that earned the blonde beauty comparisons to Hollywood legend Grace Kelly. "It's hard to think I have to live up to that, because I'm not her," Jones told Allure of the comparison, "unless Grace Kelly drank beer."