Britney Hits London

Britney Spears on stage at London's O2 Arena Britney's in town! Global megastar Britney Spears hit London last night at the opening of the UK leg of her Circus world tour. Here we take a look at the outfits that wowed the crowds - and have a sneak peak at the other girl singers currently rocking the capital - including Britney's support act, Ciara... Get off the cage! Britney's descends into London's O2 Arena in a steel prison surrounded by dancers.