One Direction and Katy Perry are among the pop superstars set to perform at this year's X Factor final.
The live final will be held at Wembley Arena, and the line-up also includes a song from judge Gary Barlow with Elton John; they'll be singing new single Face to Face.
Katy Perry will sing her latest track Unconditionally, and One Direction will perform their brand new single Midnight Memories from the fast-selling album of the same name.
Rock band The Killers, will also be on the show, performing some of their big hits 'Mr Brightside' and 'Human'.
Singer-songwriter Tom Odell, will also sing as part of the special 2-day final event, which takes place on Saturday 14th and Sunday 15th December.