The 'I Don't Care' superstar gets honest about the pressure she faces on the talent show.
Created by music mogul Simon Cowell, The X-Factor is a music based talent show that sees thousands of hopefuls audition and then perform until just one act remains.
2004 - Steve Brookstein
2005 - Shayne Ward
2006 - Leona Lewis
2007 - Leon Jackson
2008 - Alexandra Burke
2009 - Joe McElderry
2010 - Matt Cardle
2011 - TBA
Other notable participants:
2008 - JLS (runners-up)
2009 - Olly Murs (runner-up), Stacey Solomon (third place)
2010 - Rebecca Ferguson (runner-up), One Direction (third place)
Find out when the arena tour is coming to a city near YOU!
The 'Tonight' four-piece reveal their excitement about having Mrs. Fernandez-Versini on the panel.
The ladies teases Simon at auditions this week with a naughty dance to a contestant's song choice.
As rumours mount that Spice Girls star Mel B has been signed on as the newest judge on the show, we run down some of the other contenders who could be a last minute addition to the panel.
As the N-Dubz star confirms her exit from the hit music reality series, we asked Capital listeners to vote on Facebook for who they would most like to see take to the judges seat for the 2013 series.