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 4 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Reese Witherspoon and Naomi Watts Who wouldn't want to work out with Reese Witherspoon or Naomi Watts? Previous Next Start Slideshow Celebrity Fitness