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Star Secrets to Shaping Up!

Get fit and stay healthy with celeb-approved workouts and tips that keep Carrie, Tina and more looking great (11 Photos)

Amy Elisa Keith on Apr 15, 2010 at 6:45AM

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AP Photo/Jennifer Graylock

Rosario Dawson

Rosario Dawson grew tired of going from exercise class to exercise class trying to satisfy her desire for a real calorie burn and a calming stress reliever. Her solution: Yas. "'When I'm in L.A., I do this thing called Yas. It's yoga and then spinning, which is so great -- spinning helps you build up muscles," the actress told Marie Claire UK magazine. Developed by trainer Kimberly Fowler, Yas is a hybrid of a half-hour of intense indoor cycling and a half-hour of the flexibility elements of yoga. Say "yes" to Yas and give it a try, too!