11. Don't be surprised to see some daring stunts on the night when Katy his that O2 Arena stage! This image appears in the gallery:Katy Perry At The Jingle Bell Ball 2013: 13 Things To Expect 11. 11. Don't be surprised to see some daring stunts on the night when Katy his that O2 Arena stage! 13 images See the full gallery: Katy Perry At The Jingle Bell Ball 2013: 13 Things To Expect