When Ashley Greene, Heidi Klum, Kate Hudson and PeopleStyleWatch.com editors break a sweat, this is the gear they prefer to do it in
Updated: Monday Mar 24, 2014 | 02:00 PM EDT
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What costs a ton: working out like a celeb. What doesn't cost a lot: working out dressed like this celeb. Sofia wears capris and a purple sweatshirt from her Kmart collection, both of which cost under about 10 bucks.
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