Britney Jean Spears is an Ameriacan singer. Her musical universe is pop. According to the recording Industry Association of America, Britney Spears has sold over 150 million albums worldwide, including 32.5 million in the United States. Britney Spears released her first album, Baby One More Time in 1999, followed by Oops ! I Did It Again and Britney in 2000, her album in 2001. The disc In The Zone released in 2003, including this one contains the title Toxic allowing her to win her first Grammy Award. Finally after a Greatest Hits and Remix album her fifth album, Blackout followed a year later by Circus was released in late 2007.