The Biggest Loser's Biggest Secrets to Lose Weight!

Now Playing: Dr. Oz Sits Down With The Biggest Loser Trainers, Pt 1
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About This Episode

Dr. Oz is joined by the stars of The Biggest Loser take you behind the scenes to reveal what you didn’t see on the show! The biggest weight-loss winners reveal how they lost the pounds and kept them off. Plus, the star trainers share secrets to lose big in 2013!

Originally Aired:

January 4, 2013

Guests:

Jillian Michaels ,

Bob Harper,

Dolvett Quince,

Dr. Joanna Dolgoff

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