VIDEO: Jack Harlow Performs 'WHATS POPPIN' on THE TONIGHT SHOW
By: Sarah Leiber
Music guest Jack Harlow performs "WHATS POPPIN" for the Tonight Show audience.
Watch the performance below!
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!
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