American Idol
Judges and hosts
In the eighth season, Latin Grammy Award-nominated singer-songwriter and record producer Kara DioGuardi was added as a fourth judge. She stayed for two seasons and left the show before the tenth season. Paula Abdul left the show before the ninth season after failing to agree to terms with the show producers. Emmy Award-winning talk show host Ellen DeGeneres replaced Paula Abdul for that season, but left after just one season. On January 11, 2010, Simon Cowell left the show to pursue introducing the American version of his show The X Factor for 2011.
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