Witness the explosive confrontation as a Black ‘Biggest Loser’ contestant takes on celebrity coach in a profanity-laced showdown. 💥

This The Biggest Loser contestant did some deep reflection on her time in the show. Joelle Gwynn was one alum of the NBC reality show who appeared on Fit for TV: The Reality of The Biggest Loser, and she revealed her scathing thoughts on one of the coaches who berated her.

Rosie O'Donnell slammed Jay Leno and celebrity trainer Bob Harper on Instagram after watching a new Netflix docuseries about "The Biggest Loser."

This 'Biggest Loser' Star Still Can't Forgive Bob Harper After 16 Years originally appeared on Parade. A former contestant from The Biggest Loser still holds a grudge against one of the show's trainers from her time on Season 7.

The Biggest Loser became a cultural phenomenon when it premiered in 2004 — but the show has been plagued with scandals and controversy

In an Aug. 19 Instagram post, she called out fellow TV icon Jay Leno for a mean-spirited 2009 segment from "The Tonight Show with Jay Leno," which was revisited in the new Netflix docuseries " Fit for TV: The Reality of the Biggest Loser ."

After watching Netflix’s recent docuseries Fit for TV: The Reality of the Biggest Loser, Rosie O’Donnell took to social media to share some thoughts, including calling out Jay Leno and series coach Bob Harper.