Popsugar Fitness Celebrity Fitness Reese Witherspoon Running This Wild Actress Made Time For Cardio, So You Can Too December 5, 2014 by Michele Foley View On One Page Photo 2 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Khloé Kardashian Khloé Kardashian has amped up her fitness routine and has stayed committed to her goals. She was spotted leaving celebrity trainer Gunnar Peterson's gym. Previous Next Start Slideshow Celebrity Fitness