Jimmy Fallon challenges John Krasinski to a lip sync-off

"The Office" star croons to Katy Perry and Run DMC

By Prachi Gupta

Published May 8, 2013 1:41PM (EDT)

Watching Jimmy Fallon and "Office" star John Krasinski lip-sync to Katy Perry, Run DMC, Boyz II Men and others is more entertaining than it sounds like it would be:

Prachi Gupta

Prachi Gupta is an Assistant News Editor for Salon, focusing on pop culture. Follow her on Twitter at @prachigu or email her at pgupta@salon.com.

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Jimmy Fallon John Krasinski Lip Synching Music The Office Video