Cheryl Cole Steals The Show At Jingle Bell Ball
Chezza was up next - performing a selection of her tracks including Fight For This Love and closing her performance with a surprise guest appearance from Will.I.Am for 3 Words.
One Direction hit the stage next - getting a wild reception for hits including What Makes You Beautiful and Live While We're Young.
And it was left to US star Bruno Mars to close the show, finishing on a cover of Valerie.
Tonight's show will feature Girls Aloud, The Wanted, Calvin Harris, Example, Rita Ora, Conor Maynard and Pink.
We told you yesterday how Chezza is apparently taking legal action over her former job on The X Factor USA.