Celebrity·Posted on May 8, 2013John Krasinski And Jimmy Fallon Competed In The Best Lip-Synching Contest EverIf you didn't already like John Krasinski, prepare to fall in love.by Lauren YapalaterBuzzFeed StaffLinkFacebookPinterestTwitterMail View this video on YouTube youtube.com Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF Tap to play GIF