Pavelka, 31, is an internationally recognized fitness expert and TV personality, who has starred in several British weight loss series as well as Lifetime's DietTribe. The Corpus Christi, Texas, ...

CHICAGO -- Local Chicagoan and personal trainer on The Biggest Loser, Jen Widerstrom stopped by Windy City LIVE to chat about her new book, "Diet Right for Your Personality Type." With years of weight ...

Jen Widerstrom shared a very different kind of post for #transformationtuesday. The former Biggest Loser trainer, 36, had been flipping through old photos when she found a shot of herself in a bikini ...

Jennifer Widerstrom is an American fitness model and personal trainer. She appears as a trainer on the American version of the television series The Biggest Loser, replacing Jillian Michaels. She ...