Beautiful at Every Age

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

ELIZABETH MCGOVERN, 51

Twenty years after leaving Hollywood to build a life abroad with British director Simon Curtis and their two daughters, the actress has found a second wave of fame – and confidence! – with her hit series Downton Abbey. "I've just turned 50, and I feel sexier, happier, more interesting than I ever have before," she told U.K.'s Woman & Home last year.