ShowShowWitness: The Tour: SingaporeApr 8, 2018Katy Perry, ZeddSingapore Indoor Stadium · Kallang, SingaporeFollowI was thereUpload from this showMediaLineupAboutDateApr 8, 2018VenueSingapore Indoor Stadium · Kallang, SingaporeArtistsKaty Perry, ZeddListingConfirmedShow details from MusicBrainz.