When Jillian Michaels left The Biggest Loser at the end of the season, it was assumed she quit. But the trainer now says that's not the case. She was actually fired. Jillian says that she had to rethink being a face for the show after the winning contestant lost a shocking amount of weight-- almst 60% of her body weight. She went to producers and gave them some changes that had to be made if she were to stay. The producers had a difference of opinions and released her from her contract. Get more details here!.