Cheryl Fernandez-Versini: X Factor's six-chair challenge was a nightmare

Cheryl Fernandez-Versini admitted it was “hell” putting contestants through The X Factor’s six chair challenge.

Cheryl didn’t enjoy the six-chair challenge (Daniel Leal-Olivas/PA Wire)

The section of the show, which was only introduced last year, allows the judges to swap contestants in and out before deciding who goes to the judges’ houses stage.