Who needs the gym? Jessica Biel, Pippa Middleton and more sprint through the streets to stay in top form
Credit: Albert Michael/Startraks
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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The newly single star ties up her neon laces for an otherwise monochromatic jog through L.A.
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