Since the documentary aired, cracks have also begun to show between the show's familiar faces, including Jillian Michaels, and fellow trainer, Bob Harper. During The Biggest Loser's hay day, while ...

The former cohost of the controversial weight-loss competition series shared several decades-old "receipts" intended to ...

Season 15 winner Rachel Frederickson lost nearly 60% of her body weight, shocking viewers and health experts at the time. Fit ...