What is your favouite ever XF duet?
Ray Quinn and Westlife - 'That's Life' (
Series 3)
Leona Lewis and Take That - 'A Million Love Songs' (
Series 3)
Same Difference and Jason Donovan - 'Any Dream Will Do' (
Series 4)
Rydian Roberts and Katherine Jenkins - 'You Raise Me Up' (
Series 4)
Leon Jackson and Kylie Minogue - 'Better The devil You Know' (
Series 4)
Eoghan Quigg and Boyzone - 'Picture Of You' (
Series 5)
JLS and Westlife - 'Flying Without Wings' (
Series 5)
Alexandra Burke and Beyonce - 'Listen' (
Series 5)
Stacey Soloman and Michael Bublé - 'Feeling Good' (
Series 6)
Joe McElderry and George Michael - 'Don't Let The Sun...' (
Series 6)
Olly Murs and Robbie Willaims - 'Angels' (
Series 6)