BTS: Butter | The Tonight Show Starring Jimmy Fallon BTS’ performance of Butter on The Tonight Show Starring Jimmy Fallon. Release Date: July 15, 2021 KST Source Related Pages BTS (방탄소년단) ‘Butter’ @The Tonight Show... BTS (방탄소년단) ‘Permission to Dance’ @The... Will It Fit? with BTS | The Tonight Show Starring...