Olly Murs Peforms For The 16,000 Fans Packing Out London's O2 Arena. This image appears in the gallery:Amazing Pictures From The 2013 Jingle Bell Ball Saturday Show 93. Olly Murs Peforms For The 16,000 Fans Packing Out London's O2 Arena. Picture: Richard Johnson 95 images See the full gallery: Amazing Pictures From The 2013 Jingle Bell Ball Saturday Show