Here's 18-year-old pop sensation Justin Bieber -- and his boy abs -- on the "Today" show on Friday (left) -- and fitness guru/former star of the Bravo reality series "Work Out," Jackie Warner (right).
They can really stomach each other.
We're just sayin'.
Flashes His 'Work Out' Abs!
6/17/2012 2:30 AM PDT BY Johnny Lopez
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