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The Fit 5: Tips to Feel (and Look) Like a Star!

From Heidi Klum and Cameron Diaz's "fusion" workout to J.Lo's makeup artist's favorite eye serum, get the scoop on how to look fab like the stars


About every two years, Gabrielle Union undergoes a fasting period to "start fresh." After consulting with her doctor, the Cadillac Records actress recently committed to a four-day fast during which she signed up for a juice delivery service and treated herself to a spa wrap on her last day. "It's certainly not for weight loss," says Union. "For me, it's a spiritual thing. It's getting my brain and my spirit together." Read more about detox diets on – Michelle Tan