By InStyle Staff
Updated Mar 25, 2012 @ 4:00 pm
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Christina Hendricks, Mad Men
Credit: AMC/courtesy Everett Collection; Splash News

Christina Hendricks looks just as good now as she did 50 years ago! And so do her Mad Men co-stars, January Jones and Elizabeth Moss. In honor of the ladies' return to Mad Men tonight, we've rounded up our favorite Hollywood stars in '60s garb, from Emma Stone in The Help to Beyonce in Dreamgirls. Click through the gallery to see celebrities who looked just as hot in the 1960s as they do today, and tune in to AMC at 9/8c tonight to catch the season premiere of Mad Men.