After former Biggest Loser contestant Tracey Yukich detailed Jay Leno reading her death threats during an appearance on The ...

Frederickson did end up gaining back 20 pounds within a couple months of the finale. She told Us Weekly in April 2014 that ...

Jillian Michaels, who served as a fitness trainer on the NBC reality series The Biggest Loser from 2004 to 2011, has ...