Rita Ora performed her debut single 'R.I.P.' to huge applause from the 16,000 strong crowd. This image appears in the gallery:Rita Ora - Jingle Bell Ball 2012 Best Bits In Pictures 9. Rita Ora performed her debut single 'R.I.P.' to huge applause from the 16,000 strong crowd. Picture: PA Photos 15 images See the full gallery: Rita Ora - Jingle Bell Ball 2012 Best Bits In Pictures