Lady GaGa has expanded her upcoming 'Monster Ball' tour of North America into 2011.

Already set to play across the US and Canada throughout the summer, the singer has added a string of extra dates.

Beginning with a show in Atlantic City, New Jersey on February 19, 2011, she will then play a series of gigs, finishing in Atlanta, Georgia on April 18, 2011.

Meanwhile, the 'Monster Ball' tour will hit the UK later this month, visiting Nottingham, Birmingham, London, Manchester and Sheffield.

Lady GaGa will play:

Atlantic City, NJ Boardwalk Hall (February 19)
Pittsburgh, PA Consol Energy Center (26)
Toronto, ON Air Canada Centre (March 3)
Boston, MA TD Garden (8)
Las Vegas, NV MGM Grand (25)
Houston, TX Toyota Center (April 8)
New Orleans, LA New Orleans Arena (9)
Ft. Lauderdale, FL Bank Atlantic Center (12)
Miami, FL American Airlines Arena (13)
Atlanta, GA Gwinnett Center (18)