Britney Jean Spears (born December 2, 1981) is an American singer, dancer, songwriter, actress and author. She has sold over 83 million records worldwide according to Zomba Label Group. The RIAA ranks her as the eighth best-selling female artist in American music history, having sold 32 million albums in the U.S. Her success as a recording artist has allowed her to work in other media; she has acted in film and television, has written two books, and has been contracted to endorse several products, including her own perfume line.Spears released her debut album ...Baby One More Time in 1999, propelling her to international stardom. It spawned the Billboard topping single "…Baby One More Time". She released her second studio album Oops!… I Did It Again in 2000 with continued success. A third album Britney was released in 2001, followed by the release of her fourth album In the Zone in 2003. The album's breakout single "Toxic" won Spears her first Grammy Award. After the release of a remix album/greatest hits collection, she released her fifth album Blackout in 2007.As a result of her fame, Spears's personal life has received much media attention. This only escalated after her marriage to Kevin Federline in 2004. She gave birth to her first child, Sean Preston, in 2005 and to her second child, Jayden James, in 2006. The couple's divorce in November of the same year was highly publicized, followed by an ongoing custody battle over their sons.