WATCH: Jimmy Fallon & John Krasinski’s Epic “Lip Sync-Off” on Late NightVIDEO
The stars faced-off with classic songs like Katy Perry’s “Teenage Dream” and “I’ll Make Love to You” by Boyz II Men.
And they got really into it.
Check out the video below!
Follow @GossipCop on Twitter!
Like us on Facebook!