Britney Spears is Back on Track! And, she is coming out swinging . . . . Yesterday, December 2, 2008, Britney turned 27. She celebrated her birthday with a performance at Good Morning America in New York City. Her fans went wild for their favorite pop sensation. The Circus Tour starts March 3, 2009 in Louisiana, Britney's hometown. Check out the video of her performance on Monday. Britney sings "Womanizer." Enjoy!
