American Idol the first season where neither finalist achieved significant album sales. The tenth season of the series premiered on January 19, 2011. Many changes were introduced this season, from the format to the personnel of the show. Jennifer Lopez and Steven Tyler joined Randy Jackson as judges following the departures of Simon Cowell (who left to launch the U.S. version of "The X Factor"), Kara DioGuardi (whose contract was not renewed) and Ellen DeGeneres, while Nigel Lythgoe returned as executive producer. Jimmy Iovine, chairman of the Interscope Geffen A&M label group, the new partner of "American Idol", acted as the in-house
Pop Idol the world, including original "Pop Idol" winner Will Young, "American Idol" winner Kelly Clarkson and "Australian Idol" winner Guy Sebastian, competed in a one-off competition, complete with a large judging panel featuring one judge from each country (Simon Cowell officially representing "American Idol", with Pete Waterman the "official" UK judge). The surprise winner was Norway's Kurt Nilsen, who proceeded to minor UK chart success. Cowell was strongly critical of "World Idol", and it is highly unlikely to be staged again. After the second series of "Pop Idol", ITV put the show on indefinite hiatus when in April 2004 judge and