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Who needs the gym? Jessica Biel, Pippa Middleton and more sprint through the streets to stay in top form
Updated: Thursday Aug 18, 2011 | 06:00 AM EDT
By: Alex Apatoff
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Heidi, Pippa, Kate and more stay toned simply by playing in the snow!
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It may not be Mount Kilimanjaro, but the famously fit star still pushes herself as she takes to the streets of New York City for the Revlon Run/Walk for Women.
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