Cheryl Cole and Sharon Osbourne are among the special guests who have joined the judges to pick out the Top 12 acts to make this year's Live Shows.
X Factor Judges' Houses - Photo gallery:
Copyright: ITV Thames/Syco
Boys:James Arthur - 'I Can't Make You Love Me' by Bonnie Raitt
Nathan Fagan-Gayle - 'Beautiful Monster' by Ne-Yo
Adam Burridge - 'SOS' by Abba
Jake Quickenden - 'Back for Good' by Take That
Rylan Clark - 'We Found Love' by Rihanna
Jahmene Douglas - 'Titanium' by David Guetta
Groups:
Times Red - 'Ain't No Sunshine'/'Let's Get It Started'
Mitsotu - 'Hey Ya' by Outkast
MK1 - 'Just Be Good To Me' by Professor Green
Union J - 'Call Me Maybe' by Carly Rae Jepsen
Poisonous Twin - 'Freak Like Me' by Sugababes
Duke - 'The Way You Make Me Feel' by Michael Jackson
GMD3 - 'Bless the Broken Road' by Rascal Flatts
Girls:
Jade Ellis - 'Stand By Me' by Ben E King
Amy Mottram - 'Read All About It' by Emeli Sandé
Leanne Robinson - 'Hurt' by Christina Aquilera
Jade Collins - 'It Must Have Been Love' by Roxette
Lucy Spraggan - 'I Will Always Love You' by Whitney Houston
Ella Henderson - 'I Won't Give Up' by Jason Mraz
Overs:
Carolynne Poole - 'When You Say Nothing At All' by Ronan Keating
Nicola Marie - 'Tragedy' by Steps
Brad Shackleton - 'The Final Countdown' by Europe
Melanie Masson - 'Everytime You Go Away' by Paul Young
Kye Sones - 'Payphone' by Maroon 5
Chris Maloney - 'All Out of Love' by Jagged Edge
The X Factor airs tonight (September 29) at 8pm on ITV1.
