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 placed second overall amongst the 18–49 age group. The finale night when Ruben Studdard won over Clay Aiken was also the highest-rated ever "American Idol" episode at 38.1 million for the final hour. By the third season, the show had become the top show in the 18–49 demographic<ref name="realitytvworld_5/24/2007"></ref> a position it has held for all subsequent years up to and including the tenth season, and its competition stages ranked first in the nationwide overall ratings. By the fourth season, "American Idol" had become the most watched series amongst all viewers on American TV for the first time, with an