Ahead of Taylor Swift's appearance on the Tonight Show, Jimmy introduces a brand-new segment called WeMix, where he sings a line from one of his favorite Taylor Swift songs on TikTok and challenges fans to stitch their favorite lyrics. The Tonight Show Starring Jimmy Fallon. Stream now on Peacock: https://bit.ly/3gZJaNy Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35ET/10:35c Get more The Tonight Show Starring Jimmy Fallon: https://www.nbc.com/the-tonight-show JIMMY FALLON ON SOCIAL Follow Jimmy: http://Twitter.com/JimmyFallon Like Jimmy: https://Facebook.com/JimmyFallon Follow Jimmy: https://www.instagram.com/jimmyfallon/ Follow Jimmy on Threads: https://www.threads.net/@jimmyfallon Follow Jimmy on TikTok: https://www.tiktok.com/@jimmyfallon THE TONIGHT SHOW ON SOCIAL Follow The Tonight Show: http://Twitter.com/FallonTonight Like The Tonight Show: https://Facebook.com/FallonTonight Follow The Tonight Show: https://www.instagram.com/fallontonight/ Follow The Tonight Show on Threads: https://www.threads.net/@fallontonight The Tonight Show TikTok: https://www.tiktok.com/@fallontonight 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. GET MORE NBC NBC YouTube: http://bit.ly/1dM1qBH Like NBC: http://Facebook.com/NBC Follow NBC: http://Twitter.com/NBC NBC Instagram: http://instagram.com/nbctv Jimmy Kicks off the Tonight Show WeMix TikTok Challenge: Taylor Swift Edition | The Tonight Show http://www.youtube.com/fallontonight #FallonTonight #JimmyFallon