ShowShowWitness: The Tour: MontréalSep 19, 2017Katy Perry, Noah CyrusCentre Bell · Ville-Marie, CanadaFollowI was thereUpload from this showMediaLineupAboutDateSep 19, 2017VenueCentre Bell · Ville-Marie, CanadaArtistsKaty Perry, Noah CyrusListingConfirmedShow details from MusicBrainz.