A limited number of extra "in the zone" and seated tickets for Britney Spears' two sold out dates in The O2 this month are due to go on sale this Monday.

Britney's "Circus" tour is the highest grossing tour of 2009 in North America to date, and touted as the largest arena concert spectacular to ever tour Europe, complete with a cast of 50 dancers, magicians, clowns and acrobats. She visits The O2, Dublin, on June 19th and 20th

Tickets priced €86.25, €116.25, €136.25 seated & €93.25 standing go on sale on Monday 8th June at 9am.