After appearing on the Simon Cowell television show, The X Factor, on Saturday (November 29), Spears went to the London club G-A-Y to celebrate her 27th birthday, reports UsMagazine.
Britney’s friends surprised her with a cake decorated with the cover of her new album, Circus.
Spears then rushed back to New York, where she will appear on Good Morning America on Tuesday (December 2), which is the actual day of her birth.