ShowShowWitness: The Tour: BrooklynOct 11, 2017Katy Perry, Noah CyrusBarclays Center · Prospect Heights, United StatesFollowI was thereUpload from this showMediaLineupAboutDateOct 11, 2017VenueBarclays Center · Prospect Heights, United StatesArtistsKaty Perry, Noah CyrusListingConfirmedShow details from MusicBrainz.