Simon Cowell in 2004 as a replacement for Pop Idol, the show proved to be incredibly popular and has been adapted all over the globe.
From Leona Lewis to Little Mix and One Direction to JLS, the show is responsible for delivering some phenomenally successful pop stars.
But there are some famous people who actually got their start on the smash hit singing competition - and not all of them are known for their singing today.
From a star on one of the most iconic soaps in the country to the member of a popular girl band, these are the celebrities who used The X Factor as a launch pad for their careers in the entertainment industry.
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