Jingle Bell Ball 2013 Saturday Line-Up In Pictures

1. The first act confirmed to play night one of the Jingle Bell Ball is…. Katy Perry!

Picture: iTunes

2. The 'Teenage Dream' singer will be sure to make London 'Roar' with new songs from 'Prism'...

...plus some old favourites!

3. Joining Katy on night one of the #CapitalJBB is Tinie Tempah!

4. The 'Pass Out' rapper will take to the stage...

...fresh on the back of releasing his new album 'Demonstration'!

5. Ellie Goulding has dominated the charts this year and is now confirmed for night one of the JBB.

6. 'The 'Burn' singer is sure to get the crowd going this December with some of 2013's biggest hits.

Picture: iTunes

7. Following their appearance at Wembley this summer... Disclosure make their JBB debut!

Picture: Phil Sharp

8. Brothers Guy and Howard will perform a LIVE set at the UK's biggest Christmas party.

Picture: PA

9. Get ready for the crowd to go wild as Union J take to the stage this December.

Picture: PA

10. JJ, Josh, George and Jaymi will perform tracks from their self-titled debut album...

...including the massive single 'Carry You'.

11. Less than 12 months since winning The X Factor crown, James Arthur is our next confirmed JBB star.

12. The 'Impossible' singer will celebrate the release of his debut album...

...with a live set on night one of the event.

13. Olly Murs is no stranger to the JBB stage and the former X Factor star will be returning once more.

14. The 'Troublemaker' singer will take to the stage on night one of the #CapitalJBB.

Olly is sure to bring all of his hits to the O2 Arena this year!

15. Plus Olly's Pals Rizzle Kicks will also be returning to the JBB stage for our Saturday show.

16. Prepare to see another 16,000 fans getting 'Down With The Trumpets' at London's O2 Arena.

17. And completing our Saturday show line-up is… Naughty Boy!

18. The 'La La La' star will top of an incredible year performing live for YOU at London's O2.