Britney Mania Builds

Ticket demand for Britney Spears’ upcoming tour has been so great that 12 additional dates have been added.

More than 400,000 tickets for The Circus Starring Britney Spears have been sold in North America alone, according to tour producer AEG Live.

New shows include Los Angeles; Toronto; Newark, N.J.; Chicago; Long Island, N.Y., and Anaheim, Calif., bringing the total number of stops on the schedule to 41.

Photo: AP Photo
Bambi 2008 media awards, Offenburg, Germany.

Across the pond, Britney’s tour sold more than 100,000 tickets over the first weekend of sales, according to AEG, prompting the addition of six more dates at London’s O2 Arena.

Information on tickets for the new shows, as well as previously announced dates and VIP packages, is available at