Updated on Monday, December 01, 2008, 00:00 IST

Washington, Dec 01: Britney Spears celebrated her 27th birthday at Britain's premier gay club.

The pop star was in London for an appearance on TV talent show X Factor, reports Contactmusic.

She stopped by the GAY event, where she was presented with a cake, decorated to look like the cover of her new album Circus.

Fans sang Happy Birthday to the singer as she beamed down from a VIP balcony.

The big night was a Britney-themed party at the popular club, housed at London's Heaven venue.

ANI