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The Fit 5 Tips

From Kim Kardashian's motivational secret to Whitney Port's high-flying workout, get the scoop on how to look (and feel!) fab like the stars.

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WEIGHT-TRAIN YOURSELF TRIM

When it comes to staying feminine, Julie Benz has a surprising secret weapon: "Heavy, heavy lifting," she tells PEOPLE of the key to her four-days-a-week training regimen. "There's this misconception that if you lift heavy weights that you’re going to bulk up," the Dexter star says. "As a woman, I can attest [that] you don’t bulk up – you actually trim down."