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Star Secrets to Shaping Up!

Get fit and stay healthy with celeb-approved workouts and tips that keep Gwen Stefani, Carrie Underwood and more looking great (16 Photos)

Amy Elisa Keith on Jul 30, 2010 at 12:28PM

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Gwen Stefani

Rock goddess Gwen Stefani has mastered a few key things: fabulous style, her platinum locks, rock-hard abs, and sculpted arms. To get the mom of two's coveted arms, Stefani's trainer Mike Heatlie recommends doing tricep exercises back to back, according to InStyle.com. Tricep dips followed by tricep extensions (holding a single dumbbell with both hands behind your head, extend arms straight up and repeat) take the jiggle out of your wave and give you Stefani's toned arms, no doubt!