Sit back and get ready for some of the best lip syncing you've ever encountered. No, not from Bieber or Miley Cyrus, but from a TV star and a soon-to-be late night legend. Yep, it's a lip sync-off!

With NBC's 'The Office' coming to it's conclusion on May 16, John Krasinski stopped by 'Late Night with Jimmy Fallon' and challenged the host to a game of his creation: a lip sync-off. The two went head to head, delivering performances from artists such as Boyz II Men, Katy Perry, and Run DMC.

The winner, in the end, was 'The Office' star. So what do you think? Do you agree?

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