With five successful albums under her belt, Britney Spears continues to dominate the album charts. Her 2004 Greatest Hits album, My Prerogative, features a retrospective of her chart topping songs as well as sultry new material. Since the release of her debut Baby One Time, Britney has gone from being a star-in-the-making to an international superstar. Her first two albums have sold over 40 million copies combined worldwide. Thanks bu. Check out the amazon site for her calendar here . And also according to Amazon.com, Britney Spears is to release a "Greatest Remix" album featuring her greatest hits. Amazon claims it to be a Japanese Exlcusive. The album is to be released January 1, 2011 on "Phantom" Record Label. Click hereto Pre-Order.