2011 Jingle Bell Ball Saturday Line-up Revealed

1. Rihanna

Rihanna will take time out from her UK 'Loud' tour to perform live at the Jingle Bell Ball.

2. Rihanna

The Ball will mark RiRi's eleventh performance at the O2 Arena this winter - she is currently in the middle of a record-breaking ten solo dates at the venue.

3. Olly Murs

Olly Murs performs at the Sainsbury's super Saturday on Clapham Common in London, September 2011. The 'Heart Skips A Beat' singer will be performing live at the O2 Arena for the 2011 Jingle Bell Ball.

4. Olly Murs Live

Olly Murs performs at Girlguiding UK's Big Gig at Wembley Arena in London in October 2011.

5. Labrinth

Labrinth performs on stage at KOKO. The 'Earthquake' star will be performing at the 2011 Jingle Bell Ball.

6. The Wanted Live

Max George, Siva Kaneswaran, Jay McGuiness, Tom Parker and Nathan Sykes of The Wanted perform on stage in Newcastle upon Tyne. Picture: Getty

7. The Wanted

Siva from The Wanted on stage at the Summertime Ball 2010.

8. The Wanted At The Summertime Ball

Max, Jay, Tom, Siva and Nathan perform on stage at the 2011 Summertime Ball. The boys will also be playing at the Jingle Bell Ball.

9. Jason Derulo Live

Jason Derulo on stage at Wembley. The 'Don't Wanna Go Home' singer will be performing live at the Jingle Bell Ball.

10. Jason Derulo Topless

Jason Derulo gets his shirt off at Wembley.

11. Pixie Lott Live

The 'All About Tonight' singer will be performing at the 2011 Jingle Bell Ball.

12. Pixie Lott On Stage

The 'Mama Do' star is confirmed for the 2011 Jingle Bell Ball at the O2 Arena.

13. Pixie Lott At The Q Awards

Pixie Lott performing live on stage at The Q Awards.

14. Calvin Harris At The Summertime Ball

Calvin Harris will be performing at the 2011 Jingle Bell Ball.

15. Calvin Harris At The Isle Of Wight Festival

Calvin Harris performs on day one of the Isle of Wight Festival. The 'We Found Love' producer will be performing at the O2 for the 2011 Jingle Bell Ball.