Jillian Michaels Joins 'The Doctors' as Co-Host

12:46 PM PDT 5/6/2011 by Lesley Goldberg

The "Biggest Loser" trainer will also serve as a correspondent on "Dr. Phil."

Jillian Michaels has signed a multiyear deal that will see The Biggest Loser trainer join The Doctors as a co-host next season.