PHOTOS: Britney Test Drives Her New 'Do

If you're going to spend 9 hours getting your hair dyed, you should go out and enjoy it afterward, right?

That's what Britney Spears did on Sunday night, after re-blonding her locks at Andy LeCompte salon, the pop superstar slipped into a form-fitting black number (complete with bra!) and headed over to The Grand Star Jazz Club in L.A.