The tour, which follows the success of her new album Hard Candy, kicks off at the Millennium Stadium in Cardiff on August 23 and visits London's Wembley Stadium on September 11.

The US leg of the tour begins on October 3 in New Jersey, with stops at NY's Madison Square Garden, Boston, Chicago, Los Angeles and Miami, with plans to play in Mexico and South America later this year.

The tour will see Madonna revisiting a number of cities where ...