Britney Spears' planned London dates have become a residency, with eight shows now planned for 2009.
Last month the 27-year-old announced she was to play a pair of concerts in the O2 Arena in June, her only European stops on her 2008 world tour.
But a further six shows have now been confirmed, with Britney fans able to purchase tickets for gigs on June 6th, 7th, 10th, 11th, 13th and 14th.
The Toxic star last performed in the UK in 2004, visiting Birmingham, Glasgow, Belfast, Manchester and Wembley Arena as part of her Onyx Hotel tour.
Announcing the London dates last month, a spokesman for tour promoter AEG, said the shows would be "very special".
"We're creating a musical circus," he added. "Expect to see jugglers, dancers, tattooed ladies and acrobats."
The mother-of-two has just shot to the top of the US album charts with her new effort Circus, though Take That's similarly-titled release is certain to keep her off the number one spot in the UK.
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