ShowShowWitness: The Tour: TorontoOct 31, 2017Katy Perry, Noah CyrusScotiabank Arena · Toronto, CanadaFollowI was thereUpload from this showMediaLineupAboutDateOct 31, 2017VenueScotiabank Arena · Toronto, CanadaArtistsKaty Perry, Noah CyrusListingConfirmedShow details from MusicBrainz.