Baby Spice
The Spice Girls London concert was sold out in 38 seconds after fans were notified tickets had gone on sale, the show's promoters claimed.
More than one million people in the UK registered for the concert, which takes place on 15 December at the O2 arena.
Three more London dates have been added to the tour. Tickets cost £ 55-75.
Reunited
The shows will take place on 16 and 18 December 2007, and 2 January 2008.
Tickets for the additional dates are currently being sold to fans, who were alerted to the sales by text and e-mail.
And tickets for the 15 December gig are already appearing on eBay - with one pair advertised at £ 900.
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