This is it, the final X Factor of the year. Oh. No. Although it's difficult not to be swept up in it every year to be honest, and let's face it, it makes for great hangover telly. Each of the finalists will perform the song that they would release if they won, while the public at home must vote for who they want to be this year's X Factor winner and walk away with a record deal. It will be a star-studded affair too with Sam Smith, Olly Murs and Demi Lovato all performing. Oh and of course One Direction will be there, pretty sure Simon Cowell has them contracted to show up just about anywhere he wants them to at this stage.