Happy Birthday, Jimmy Fallon: Watch 5 Favorite Lip Sync Battles
Billboard's current cover star turns 41 today, and in honor of Jimmy Fallon's birthday, we rounded up five of our favorite of his famous lip sync battles to re-watch in his honor.
Check them out below.
5. Lena Dunham
4.Ellen DeGereres (with judging by Justin Timberlake!)
3.Will Ferrell & Kevin Hart