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

Jillian Michaels is weighing in on her personal life. One week after The Bigger Loser trainer Bob Harper confirmed the rift with his former co-star when he revealed that she didn't reach out to him ...

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