Jessie J with James Morrison live at the 2011 Jingle Bell Ball, performing recent single 'Up'. This image appears in the gallery:Jessie J Live At The 2011 Jingle Bell Ball 15. Jessie J with James Morrison live at the 2011 Jingle Bell Ball, performing recent single 'Up'. Picture: PA Photos 16 images See the full gallery: Jessie J Live At The 2011 Jingle Bell Ball