Artist appearances at Katy concerts

No artists have performed a song with Artist: Katy (1ec4edb7-cb06-465b-96a8-e597ab3d3c84) on stage yet. Have you seen an artist hitting the stage at a Artist: Katy (1ec4edb7-cb06-465b-96a8-e597ab3d3c84) concert? Add or edit the setlist and help improving our statistics!