Claim: Simon Cowell was a part of a reality show.
Evidence: He is most recognised as a judge on the British TV talent competition series Pop Idol , The X Factor , and Britain 's Got Talent , and the American TV talent competition shows American Idol , The X Factor , and America 's Got Talent.
In April 2014 , the format was named the world 's most successful reality TV format ever by the Guinness World Records.