Little Mix go for a very monochrome look on the Jingle Bell Ball red carpet This image appears in the gallery:Jingle Bell Ball 2013 Red Carpet: The Stars Arrive For The UK's Biggest Christmas Party! 5. Little Mix go for a very monochrome look on the Jingle Bell Ball red carpet 33 images See the full gallery: Jingle Bell Ball 2013 Red Carpet: The Stars Arrive For The UK's Biggest Christmas Party!