1- Leona Lewis- Run (2008)
2- Cheryl Cole- Fight For This Love (2009)
3- Alexandra Burke- Bad Boys (2009)
4- Girls Aloud- Call The Shots (2007)
5- Robbie Williams- Bodies (2009)
this year is on top form for celeb guests, love Michael Buble's new song he'll be doing, for the show it probably doesn't get much bigger than Whitney and Shakira too
Guests seem more relevant this year, well apart from Westlife but they're on every year anyway