Lovato first performed the single the night before its release at a fan listening party held in Los Angeles . She subsequently performed the song at other house parties . On August 18 , 2017 , Lovato made the first televised performance of the track on '' Good Morning America '' . On August 27 , 2017 , Lovato performed the song in Las Vegas as a pre-recorded performance for the 2017 MTV Video Music Awards . On September 18 , 2017 , Lovato performed the song on '' The Tonight Show Starring Jimmy Fallon '' . On September 30 , 2017 , Lovato performed the song on '' The Jonathan Ross Show '' . On October 4 , 2017 , Lovato performed the song on The Ellen DeGeneres Show On October 5 , 2017 , the singer performed the song on '' The Today Show '' , where she also performed " Tell Me You Love Me " . On November 12 , 2017 , Lovato performed a medley of " Sorry Not Sorry " and " Tell Me You Love Me " at the 2017 MTV Europe Music Awards . On November 13 , 2017 , Lovato performed the song on Live Lounge , where she also performed " Skyscraper " and a cover of Sam Smith 's " Too Good at Goodbyes " . On November 19 , 2017 , Lovato performed the song at the 2017 American Music Awards . The track serves as the encore to her sixth headlining concert tour Tell Me You Love Me World Tour
2017 MTV Europe Music Awards
2017 MTV Europe Music Awards
Sorry Not Sorry (Demi Lovato song)