Popsugar Fitness Celebrity Fitness Celebrities Working Out in LA Let These Sweaty Celebs Be Your Weekend Inspiration March 28, 2014 by Michele Foley View On One Page Photo 5 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Reese Witherspoon Reese Witherspoon is flushed and glowing after a hardcore Burn 60 workout. Previous Next Start Slideshow Celebrity Fitness