Britney's about to launch her next concert tour and she needs backup dancers. Audition to Britney Spears' most popular songs to see if you can keep up with the other dancers. If you're really good, you'll get access to exclusive interactive video footage and concert performances. Only the best dancers will get to join Britney on stage. Includes your favorite Britney songs like "Oops, I Did It Again," "Baby One More Time," and her latest hit, "Slave 4 U" and more!