VIDEO : John Krasinski Shimmies Out of a Suit and Into a Fringe Dress to Perform

John Krasinski is rolling! Rolling! Rolling on the river! Given that he's one of
Lip Sync Battle
's executive producers, the actor understands better than anyone just how seriously stars take the Spike TV series. And when Krasinski found out he would be competing against
Anna Kendrick
,who
performed
One Direction
's "Steal My Girl" and
Jennifer Lopez
's "Booty", Krasinski realized that in order to win, he would have to pull out all the stops.