Jillian Michaels and Bob Harper — longtime trainers on “The Biggest Loser" — appeared inseparable on screen, but behind the scenes their friendship fell apart.

Season 15 winner Rachel Frederickson lost nearly 60% of her body weight, shocking viewers and health experts at the time. Fit for TV: The Reality of The Biggest Loser, a documentary about the show's complicated legacy,

The Biggest Loser' aired from 2004 to 2020. Here's everything to know about where the reality TV show's trainers — including Bob Harper and Jillian Michaels — are today.

Rachel Frederickson faced backlash from Biggest Loser fans for her extreme weight loss. But blame should be placed on the system that exploited her.

Discover shocking truths about 'The Biggest Loser' scandals and bitter trainer feuds in a revealing new docuseries

The Reality of the Biggest Loser," Danny Cahill shares his experience with the show. He shares how life is for him now.

“ Fit for TV: The Reality of the Biggest Loser ” is the top TV show on Netflix right now, according to the streamer’s public ranking system.

Erica Lugo trained 'The Biggest Loser' Season 18 winner and now, she's speaking out about her experience on the show.

Learn how Biggest Loser’s Tracey Yukich faced challenges like a medical emergency and transformed her life after appearing on Season 8

Robert Huizenga spoke about his experience on 'The Biggest Loser' on the Netflix docuseries 'Fit for TV: The Reality of The Biggest Loser'