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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MADONNA, 54

After directing the romantic drama W.E. last year, the Material Girl went back to her first loves: singing and dancing, which she's been doing on a world tour this year. How does the 54-year-old keep her body in tip-top shape? "The best thing for your bum is dancing, and I can do plenty of that," she joked.