ShowShowWitness: The Tour: DenverNov 26, 2017Katy Perry, Purity RingBall Arena · Denver, United StatesFollowI was thereUpload from this showMediaLineupAboutDateNov 26, 2017VenueBall Arena · Denver, United StatesArtistsKaty Perry, Purity RingListingConfirmedShow details from MusicBrainz.