Look Great, Feel Good in 2013

Sweating in Style: Stars' Workout Gear

See Reese Witherspoon's black-and-yellow yoga uniform, Gabrielle Union's geometric get-up and more celebs' fashion-forward, fitness-friendly outfits

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REESE WITHERSPOON

"I don't know if I'm bouncing back. I'm slowly crawling back," the new mom said of returning to her pre-baby body. But considering how toned she looks in these second-skin capris, worn to yoga with a bright yellow top, coordinating sneaks and a black zip-up, we'd have to respectfully disagree.