One Direction and Emeli Sandé for X Factor final
The two acts are the first names announced for the showpiece final, which will take place in Manchester on December 9.
They will play to a 12,000 capacity crowd as the TV talent show picks its next winner, with the likes of Union J and James Arthur vying for victory.
One Direction, who finished third on the 2010 X Factor, have already appeared on the series this year, whilst Emeli Sandé previously performed on the show with collaborator Labrinth.
Last year's X Factor series was won by girl group Little Mix, who have recently released their debut album 'DNA'.
Watch One Direction on the X Factor below:
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