Britney Spears celebrated her 27th birthday early on Saturday night at Britain's premier gay club.
The troubled singer, in London for an appearance on TV talent show
X Factor, stopped by the G.A.Y. event, where she was presented with a cake, decorated to look like the cover of her new album
Circus, which is released on her birthday.
Fans serenaded the singer with Happy Birthday as she beamed down from a balcony. The big night was a Britney-themed party at the popular club. After her European tour, Spears will now head back to U.S. for a birthday morning performance on TV show
Good Morning America.
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