For years, Bob Harper and Jillian Michaels appeared to have great chemistry onscreen while filming "The Biggest Loser" together. But a new docuseries about the NBC weight-loss competition has fans wondering if the dynamic duo actually got along in real life.

The Biggest Loser helped many of its trainers — including Bob Harper and Jillian Michaels — find fame — but where is everyone now following the show's past controversy? NBC's The Biggest Loser, which premiered in 2004,