The Biggest Loser 's former host Alison Sweeney and trainers Bob Harper were not fans of one of the show's most controversial ...

The Biggest Loser' host Alison Sweeney opened up about a confrontation with Jillian Michaels that went down on-screen.

The Reality of the Biggest Loser is on Netflix, find out why host Alison Sweeney left the show and what she does now.