Kim Kardashian, 31, shared a sexy behind-the-scenes photo via Instagram July 15. "Good morning Miami," the E! reality star wrote in the caption. Wearing a skintight swimsuit that accentuated her trim waistline and supple cleavage, the E! star sat on her famous behind while participating in a new photo shoot.
To stay fit, the QuickTrim spokeswoman - who trains with Gunnar Peterson - works out twice daily, beginning with early-morning treadmill runs and strength training or Pilates at night. "No more sitting at home, eating too much!" she told Us earlier this year. "I'm on a mission...Now is the best time to get in shape."CELEBRITY DIET SECRETS