The Biggest Loser 'The Biggest Loser' adding Jessie Pavelka and Jennifer Widerstrom as new trainers 06/30/2014 The Biggest Loser will feature a pair of new trainers when it returns this fall. Read More RELATED NEWS 'The Biggest Loser: Temptation Nation' premiere to feature "health or wealth" temptations and return of trainer Jessie Pavelka'The Biggest Loser' Season 17 cast, premiere and format revealed by NBC'The Biggest Loser's longtime trainer Bob Harper will host Season 17 TAGS: The Biggest Loser American Gladiators DietTribe Bob Harper Jillian Michaels Alison Sweeney
