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

From Halle's green yoga accessory to Sienna Miller's dance workout, get the scoop on how to look fab like the stars

GET YOUR KICKS

Don't mess with Bar Refaeli! She may look like another willowy model, but Leonardo DiCaprio's on-again, off-again girlfriend has got legs – and she knows how to use them. "My trainer taught me all kinds of kicks and they work everywhere – your abs, your butt," she says about learning a mixture of Israeli self-defense discipline Krav Maga and martial-arts moves. Tone your butt with these martial-arts-inspired moves on Health.com! – Jenny Sundel