Michaels was a trainer on “The Biggest Loser” for seasons 1, 2, 4-11, 14, and 15. She often motivated contestants by yelling at them or insulting them. In one clip from “Fit for TV: The Reality of the Biggest Loser,” Michaels pushes a woman to keep exercising even after she vomits on a treadmill.

Despite working together on The Biggest Loser, Jillian Michaels and Bob Harper's offscreen friendship was quite different — but where do they stand now? NBC's The Biggest Loser, which premiered in 2004,

Although Michaels was not featured in the docuseries, she has spoken openly about her time on The Biggest Loser and her life since leaving the hit show. Michaels has continued working in the health and fitness world while getting involved in podcasting and politics, including meeting with the Trump administration.