Shania Twain's much-anticipated world tour begins in Canada on September 25, and tickets go on sale Friday.

"I want the show to be a huge party," says Shania. "The stage will be set up in a way that puts me in the middle of my fans, which is right where I want to be. You can expect lots of surprises."

18 North American dates have been announced so far, with more expected at a later date.

Here is a list of dates announced so far:

Sept. 25, Hamilton, Ontario; Sept. 27, Ottawa; Sept. 29, Pittsburgh; Sept. 30, Buffalo, N.Y.; Oct. 2, Toronto; Oct. 4, Grand Rapids, Mich.; Oct. 7, Boston; Oct. 8, East Rutherford, N.J.; Oct. 10, Philadelphia; Oct. 11, Albany, N.Y.; Oct. 12, Uniondale, N.Y.; Oct. 14, New York City; Oct. 17, Washington; Oct. 24, Detroit; Oct. 28, St. Paul, Minn.; Dec. 4, Calgary, Alberta; Dec. 5, Edmonton, Alberta; and Dec. 7, Vancouver, British Columbia.