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8 December 2012, 08:00
Little Mix, JLS, Rizzle Kicks and The Script are also set to play the O2 Arena in London today (8th December).
Bruno Mars, Cheryl Cole and One Direction are among the big names set to take to the stage at the Jingle Bell Ball in London today (8th December).
The Capital FM event at the O2 Arena will also feature performances from JLS, Lawson, Little Mix, Rizzle Kicks and The Script.
As previously announced, Little Mix will be performing without Perrie Edwards, who has been forced to withdraw due to ongoing illness.
Speaking about the event, Bruno Mars said he was eager to perform on the eve of the release of his second album 'Unorthodox Jukebox'.
"Were excited, we haven't played a show like this in a while," he said. "We're going to let loose, people are in for a real treat."
Cheryl promised that her performance at the O2 Arena today will be "full on".
"I want it to be full on. For me, when I go to watch concerts, I want to see everything – dancing, lights, screams – all the stuff that makes such a different to the show like what goes on behind you [and] the production," she said.
"I just want it to all be amazing."
Bruno Mars on his Jingle Bell Ball performance:
Meanwhile, JLS said they were excited to be included on a line-up of such huge pop stars.
"[It's] going to be an amazing gig," JLS star Marvin Humes told Capital FM. "You know, the line-up is incredible.
"We're really excited to see the One Direction boys performing," he explained. "It's going to be a great day."
Keep your eyes and ears on the ball by visiting our special Jingle Bell Ball area as we come live from this year's event across the weekend.
You can see all the latest news, pictures, interviews and watch this year's performances on Capitalfm.com - follow the action in real time on our Saturday live blog.
Join the conversation about this year's Jingle Bell Ball by following @CapitalOfficial on Twitter with the hashtag #CapitalJBB and liking us on Facebook.