IMAGE DISTRIBUTED FOR SELF - Bob Harper, trainer on "The Biggest Loser," poses with fans before leading thousands of attendees in a body-blasting workout at SELF magazine's 21st annual Workout in the ... more 
IMAGE DISTRIBUTED FOR SELF - Bob Harper, trainer on "The Biggest Loser," poses with fans before leading thousands of attendees in a body-blasting workout at SELF magazine's 21st annual Workout in the Park, Saturday, May 17, 2014, in Chicago’s Grant Park. (Photo by Peter Barreras/Invision for SELF/AP Images) less 
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Associated Press
Sat, May 17, 2014 11:00 PM EDT