Did Ariana Grande Lip Sync “Imagine” Live on Jimmy Fallon? January 9, 2019 Ausadmin Celebrity News and Gossip Did Ariana Grande Lip Sync “Imagine” Live on Jimmy Fallon? Vocal coach Tristan Paredes reacts to Ariana Grande singing Imagine on The Tonight Show Starring Jimmy Fallon. But is she lip syncing the whistle notes? Is this her real voice?