Summary: You probably know Jen from NBC's The Biggest Loser, where she's been a trainer for the past two seasons. But did you know she was also Phoenix on American Gladiator? Her new book, "Diet Right for Your Personality Type" helps people find out just which kind of diet they should be following, tailored to the individual's lifestyle. Follow Jen on IG: @jenwiderstrom Follow BJ on IG: @bjgaddour
