Britney Spears performs at London's 02 arena

Britney Spears kicked off the UK leg of her Circus tour at The 02 arena in Greenwich last night to the delight of her fans.

Celebrity blogger Perez Hilton introduced the star, who descended from the rafters in a circus hoop.

Dressed as a ringmaster in a sequinned hat, blazer, fishnet tights and knee high boots, she opened with her current hit Circus.