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Coldplay have been confirmed to appear at The X Factor final at Wembley Arena on Sunday 11 December.

They will perform in front of 10,000 people along with Michael Buble, Leona Lewis, JLS and One Direction.

The final has been split across two nights this year.

On next Saturday night's show the three remaining contestants will perform two tracks each with one being voted off the competition that evening.

The two remaining singers then go head-to-head in Sunday's show when one of them will be crowned the winner of The X Factor 2011.

Coldplay's Chris Martin said: "We're all big X Factor fans so we're very excited to play live on the show."

It has not been confirmed if the three finalists will be paired with stars, as they were during last year's final.

Head judge Gary Barlow said: "This is the biggest final The X Factor has ever done.

"Being at Wembley Arena for the first time and in front of 10,000 people with Coldplay performing, I can't wait - it's going be an amazing night."

Meanwhile, the theme for this weekend's semi-finals has been revealed.

The four remaining acts - Amelia Lily, Marcus Collins, Misha B and Little Mix - will sing one soulful track from the 60s or 70s and their own favourite tune.