ShowShowWitness: The Tour: Las VegasJan 20, 2018Katy Perry, Carly Rae JepsenT‐Mobile Arena · Paradise, United StatesFollowI was thereUpload from this showMediaLineupAboutDateJan 20, 2018VenueT‐Mobile Arena · Paradise, United StatesArtistsKaty Perry, Carly Rae JepsenListingConfirmedShow details from MusicBrainz.