The likes of US superstar Bruno Mars, nation's sweetheart Cheryl Cole and boy band sensation One Direction all performed.
Bruno Mars Jingle Bell Ball 2012
The 'Grenade' star got the O2 Arena in the festive spirit with a triumphant set in London this evening.
The 'Grenade' singer says he and his band will be bringing all their best dance moves to the show.
Thousands of fans begin arriving at London's O2 Arena telling Capital who they are exited to see.
The 'Locked Out Of Heaven' singer is sound checking ready for his headline set at this year's Ball.
The 'Doo-wops & Hooligans' star played his biggest hits for Capital FM fans at the Jingle Bell Ball 2012 at London's O2 Arena. See the pictures from Bruno Mars' set here.
Join Capital as we countdown to this year's Jingle Bell Ball by taking a look at how all the biggest names in hit music are preparing for the event at London's O2 Arena.
To get you all ready for this years Capital FM Jingle Bell Ball, check out some of the facts and figures that define this year's incredible line-up of artists.