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
American Idol controversies possibly "ruining" "Idol". Melinda Doolittle's departure stunned fans and critics alike. Simon Cowell admitted that the sixth season's crown should have rightfully gone to Melinda. Executive producer Nigel Lythgoe responded, noting that "["Idol" producers] were so engrossed with the mentors and didn't really focus on the Melinda Doolittles of the show." Lythgoe also produces "So You Think You Can Dance", and has noted that the dance program gives background information about its contestants, while "American Idol" focused more on its big name celebrity mentors, such as Tony Bennett, Gwen Stefani, and Jennifer Lopez. In the top thirteen in season 8,