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P90X: The All-Star Workout?

Many celebs use it, but is an hour-a-day fitness routine all it takes to buff?
05:41 | 10/18/2011

Transcript for P90X: The All-Star Workout?

Celebrity endorsements are boon for any work out brand there's nothing like -- star power to. Lure curious customers in the wildly popular fitness program and look at tonight. Has fans in Hollywood... See More
This transcript has been automatically generated and may not be 100% accurate.
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