Singer Britney Spears has extended her “Circus” concert tour to include a dozen European shows taking her from London to Russia, the pop star’s representatives said on her Web site on Wednesday.

Singer Britney Spears performs with Madonna (not pictured) during the Los Angeles date of her “Sticky and Sweet” tour at Dodgers stadium in Los Angeles Nov. 6, 2008.

Spears kicks off the European leg of her tour with a June 19 show in Dublin, Ireland, with later stops in France, Belgium, Denmark, Sweden, Finland, Russia, Poland and a final European stop July 26 in Berlin.

She began her “Circus” tour March 3 in her home state of Louisiana, and the tour features 39 North American dates.

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