Jillian Michaels and Bob Harper – longtime trainers on “The Biggest Loser" – appeared inseparable on screen, but behind the scenes their friendship fell apart.

After Biggest Loser alum Bob Harper called out Jillian Michaels for not checking in on him following his 2017 heart attack, Jillian reacted to his comments.

One trainer, Jillian Michaels, who was accused of administering the pills claims the only breach of contract she made was that she handed them to the contestants herself, and that the pills weren't ...