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Oct. 23: Carrie Underwood

Kelly who? With Clarkson's "My December" sinking off the charts and Carrie Underwood's "Some Hearts" crossing the six million sales mark, there's no doubt who now rules the roost among former "American Idols." Underwood's sophomore album, "Carnival Ride," should tide "Idol" fans over until... Kevork Djansezian/AP Photo