After winning The Biggest Loser, Frederickson continued to work as a voice-over actress. In her Today essay, she wrote that she was taking college classes, volunteering at a local shelter, training for her first marathon and starting a new career at a job search website.

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

That prompted the Los Angeles County Sheriff's Department to take action. A reality show about treadmills and salads had unexpectedly evolved into a police probe. After Season 17 of The Biggest Loser, NBC decided to cancel the show due to widespread criticism and legal issues.

Biggest Loser' trainer Jillian Michaels is disputing claims made against her in the Netflix docuseries 'Fit for TV,' about the weight-loss show.

The Biggest Loser doesn’t save lives. It ruins lives,’ a Season 2 competitor said. ‘The ripple effect isn’t just weeks or months. It’s years.’

Rachel Frederickson is opening up about the backlash she was subjected to after being crowned the winner of season 15 of “The Biggest Loser” in February.

Netflix’s new docuseries about "The Biggest Loser" revisits the controversial weight loss program's triumphs and missteps.