Chris Martin and the band will take to the stage at Wembley Arena over the weekend of 12th to 13th December to perform a track from their new album A Head Full Of Dreams.
That's a pretty impressive guest act, right?!
It's not the first time Coldplay have performed on X Factor: they sang a medley of 'Charlie Brown' and 'Paradise' at the 2011 finale.
There have been unconfirmed rumours that Adele and One Direction could join Coldplay in performing at the X Factor finale weekend. Now, that would be one AMAZING lineup!
X Factor has landed some impressive guest performers so far this series, including Ellie Goulding, One Direction, Ed Sheeran, Jess Glynne and Rudimental. This weekend will see judge Rita Ora performing with Sigma, while Carrie Underwood also takes to the stage.