The Biggest Loser may be looking for a new trainer for the next season because we hear one of the stars of the show wants out! According to People Magazine, Jillian Michaels wants to call it quits with a source telling the mag, "She is deeply concerned about the direction the show has been taking. She is turned off by the mean-spirited story lines and poor care of the contestants." Hmm.. We wonder if this has anything to do with the controversy that surrounded season 15 winner Rachel Frederickson. Check out more of the story here!