Summertime Ball 2012 Line-Up In Pictures Check out the full line-up for the Capital FM Summertime Ball 2012 taking place on Saturday 9th June at Wembley Stadium! 1. First up it's arguably one of the biggest bands in the world right now... Coldplay! 2. The next act confirmed for the Summertime Ball 2012 is... 'Climax' singer Usher! 3. Also on this year's line-up is the 'Changed The Way You Kissed Me' rapper himself, Example! 4. Making her return to the Summertime Ball for the second year in a row is J-J-Jessie J! Pic: PA Photos 5. 'Lego House' singer Ed Sheeran will also be taking to the stage at Wembley Stadium this year! 6. Brace yourselves as The Wanted will be back to perform at the Capital FM Summertime Ball 2012! 7. Katy Perry will also be rocking Wembley Stadium at the Capital FM Summertime Ball 2012! 8. Pitbull will be bring some 'International Love' over to help kickstart this year's Summertime Ball! 9. The next confirmed act for this year's Summertime Ball is 'Wild Ones' rapper Flo Rida! 10. The original American Idol Kelly Clarkson is also part of this year's all-star line-up! 11. Get ready to 'Believe' as Justin Bieber has been confirmed for the Capital FM Summertime Ball 2012! Picture:Ian West/PA Wire 12. You 'Can't Say No' to a bit of...Conor Maynard! 13. This year's Summertime Ball will also feature Rita Ora! 14. Lawson will be taking to the stage at the Summertime Ball. 15. Get ready to do it Bajan Style...Cover Drive are coming to the Summertime Ball!