'X Factor' final songlist revealed

The X Factor hopefuls will perform three songs on this week's final: a Christmas classic, their favourite song from the series and a duet with a celebrity partner.

Leon Jackson will perform alongside Kylie Minogue; Rhydian Roberts will sing with Katherine Jenkins; and Same Difference will duet with Jason Donovan. The songs they are performing with their celebrity partners will not be revealed until Saturday.

After the third place act has been announced, the two remaining contestants will perform their version of 'When You Believe', this year's X Factor winner's single. The champion of The X Factor 2007 will then be revealed.

Here are the final song choices:

Leon Jackson (for Dannii)
'White Christmas' (made famous by Bing Crosby)
'You Don't Know Me' (Ray Charles)
Duet with Kylie Minogue

Rhydian Roberts (for Dannii)
'O Holy Night' (Christmas carol)
'Somewhere' (Barbra Streisand)
Duet with Katherine Jenkins

Same Difference (for Simon)
'All I Want For Christmas Is You' (Mariah Carey)
'Breaking Free' (from High School Musical)
Duet with Jason Donovan