The X Factor is a British reality television music competition – that spawned the global X Factor franchise – created by Simon Cowell. Premiering on 4 September 2004, it was produced by Fremantle's Br
Simon Cowell, creator of The X Factor and the second longest-serving judge in the programme's history
Louis Walsh, longest-serving judge on The X Factor in all but two series.
Sharon Osbourne, a judge for the first four series, and then again in 2013, and 2016–17
Dermot O'Leary served the longest as the programme's host from 2007, with a one-year break in 2015
The X Factor is a British television music competition to find new singing talent. The eighth series aired on ITV on 20 August 2011 and ended on 11 December 2011. Dermot O'Leary hosted the main show o
Series winner Little Mix (pictured in 2012)