Jillian Michaels told TMZ on Tuesday morning she may file a lawsuit against Netflix for making what she says are false claims in a new docuseries on “The Biggest Loser.”

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.

Jillian Michaels denies caffeine allegations and prepares legal action against Netflix and show producers over Biggest Loser documentary.