Billy Crystal Returns for Lip Flip

To help promote the paperback edition of Billy Crystal s Still Foolin Em, Jimmy and Billy swap mouths and tell a joke in Dutch. Subscribe NOW to The Tonight Show Starring Jimmy Fallon: Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35, 10:35c Get more Jimmy Fallon: Follow Jimmy: Like Jimmy: Get more The Tonight Show Starring Jimmy Fallon: Follow The Tonight Show: Like The Tonight Show: The Tonight Show Tumblr: Get more NBC: NBC YouTube: Like NBC: Follow NBC: NBC Tumblr: The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show including: comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy s Thank You Notes and hashtags You ll also find behind the scenes videos and other great web exclusives. Billy Crystal Returns for Lip Flip