Click on photo below for the X Factor's most memorable contestants.
Popular judges Gary Barlow, Sharon Osbourne, Nicole Scherzinger and Louis Walsh have sat through hours of intense auditions in the hope of finding the nation's next musical talent. Fans can expect to see the usual tears, tantrums, drama and catfights, and added entertainment from Sharon this year who makes her much-anticipated comeback.
As the auditions get underway, HELLO! Online casts a look back at the show's top ten most memorable contestants who made it through the live auditions, boot camp and the judges' houses, and left their mark on the X Factor stage.
CLICK ON PHOTO FOR GALLERY OF MEMORABLE CONTESTANTS