Rihanna, Kylie Minogue for 'The X Factor' final

Rihanna and Kylie Minogue will perform at the X Factor final.

Host Dermot O'Leary confirmed at the end of tonight's (December 2) show that the singers will appear in front of 12,000 fans at Manchester Central next weekend.

The X Factor Results Show: Rihanna performs.

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Kylie Minogue leaving Nobu restaurant London, England

The pair join fellow guests One Direction and Emeli Sand, who were previously announced to be appearing on the show.

It has also been confirmed that the finalists will take to the stage to perform duets with their respective mentors.

The X Factor Results Show: Jahmene learns he is through to next week.

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The X Factor Week 9: James Arthur.

Ken McKay/Thames/Rex Features

James Arthur and Jahmene Douglas will perform with Nicole Scherzinger, while Christopher Maloney will sing with Gary Barlow.

Union J were voted off The X Factor earlier tonight, narrowly missing out on a place in the final.

The X Factor final starts next Saturday (December 8) at 8pm on ITV1.

Watch Rihanna performing 'Diamonds' on last weekend's X Factor below:

Photo gallery - The X Factor semi-final results:

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