Britney to extend European tour

The singer began her North American tour in early March

US singer Britney Spears has extended her European concert tour, according to her website.

A dozen new dates have been added to the Circus tour, which will see the star visit cities including Dublin, Paris, Berlin, Stockholm and Moscow.

The 27-year-old has already announced an eight day residency at London's O2 Arena and one show at Manchester's MEN Arena in June.

Spears is currently coming to the end of her 37-date North American tour.

After the Manchester show, the singer will travel to Dublin for two shows from 19 June and then perform in Paris, Antwerp, Copenhagen, Stockholm, Helsinki, St Petersburg, Moscow, Warsaw and a final show in Berlin on 26 July.

According to Spears's website, the tour's cast of nearly 50 dancers, magicians, clowns, acrobats and a travelling staff of more than 200 will travel to Europe with 60 tonnes (60,000 kg) of equipment in 34 trucks.

The singer began her Circus tour on 3 March in her home state of Louisiana. It is her first concert tour in five years.