Michaels is a celebrity advisor to National Day of Dance for Heart Health, an organization that encourages people to make exercise fun and to laugh, learn and dance to a healthier heart. "She has several exercise DVDs, is the most popular of 30 day shred".
She debuted on episode 1 of season 1 of The Biggest Loser, in 2004. Michaels was the Red Team trainer until 2006, when she was replaced by Kim Lyons. She returned to the show in 2007 as a Black coach, will compete with Kim Lyons' Red Team and Bob Harper's Blue Team.
