The X Factor launched in 2004 in the UK. Airing on ITV1, The X Factor has been the No 1 show in the UK for eight years, with the 2010 finale achieving a peak of 21.2 million viewers, and a 65% share.

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The X Factor final was the UK's most watched show of 2010, viewing figures have suggested.

BBC: X Factor final 'most watched show of 2010'

Another name recently floating about for the Factor judges panel: "X Factor" UK judge Kelly Rowland.

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