Carrie Underwood's Carnival Ride album has been simultaneously certified gold, platinum and double platinum by the RIAA for shipments of 2 million copies. Released on Oct. 23, the album -- Underwood's second -- contains the No. 1 single, "So Small." Her debut album, Some Hearts, has now sold 6.1 million copies, according to Nielsen SoundScan. She will perform live in New York's Times Square on Dec. 31 as part of the TV special, Dick Clark's New Year's Rockin' Eve 2008. Her tour with Keith Urban begins Jan. 31 in Uncasville, Conn.