简介： TheninthseasonofAmericanIdolwillpremiereonJanuary12,2010onFox.SimonCowell,RandyJacksonandKaraDioGuardiwillallreturnasjudges,andEllenDeGenereswillpermanentlyreplacePaulaAbdulasthefourthjudge.IdolGivesBackwillalsoreturnthisseasonandwillbeheldonApril21,2010duringthetop7resultsshow.Thetop24semi-finalsformatusedinseason...
