EXCLUSIVE: Jillian Michaels has re-signed with ICM Partners, which just brokered her deal to return to The Biggest Loser. Michaels was repped by ICM when she was first tapped as a trainer on the NBC weight-loss competition series after first working at ICM as an agent. She left the agency for CAA in 2008. Michaels departed The Biggest Loser after Season 11 in 2011. She will be back for the upcoming childhood obesity-themed fourteenth season. Michaels most recently did a brief stint as a co-host of The Doctors.

Michaels, who has her company, Empowered Media, with business partner Giancarlo Chersich, is a bestselling author and has released several exercise DVDs, the latest, Jillian Michaels Killer Abs, coming out today. She also is launching a fitness class at Crunch Gyms.