Hot on the heels of her appearance at Sunday's National Equality March, Lady Gaga has announced her 22-date Monster Ball tour.

"'The Monster Ball' is a multimedia artistic experience in the style of the first-ever 'pop electro opera,'" she said on her website on Thursday.

Lady Gaga was originally scheduled to tour with rapper Kanye West, but the shows were canceled by West.

The following tour dates were announced:

November 27 – Montreal – The Bell Center
November 28 – Toronto – Air Canada Center
November 29 – Ottawa – Scotiabank Place
December 1 – Boston – Wang Center
December 2 – Boston – Wang Center
December 3 – Camden, N.J. – Susquehanna
December 9 – Vancouver, Canada – Queen Elizabeth Theatre
December 10 – Vancouver, Canada – Queen Elizabeth Theatre
December 13 – San Francisco – Bill Graham Civic
December 18 – Las Vegas – TBD
December 19 – San Diego – San Diego Sports Arena
December 21 – Los Angeles – Nokia Theatre
December 29 – Atlanta – Fox Theater
December 31 – Miami – Knight Center
January 3 – Orlando, Fla. – The Hard Rock
January 7 – St. Louis, Mo. – The Fox
January 8 – Chicago – Chicago Theatre
January 9 – Chicago – Chicago Theatre
January 12 – Detroit – Fox Theater
January 16 – Atlantic City, N.J. – Borgata
January 20 – New York – Radio City Music Hall
January 21 – New York – Radio City Music Hall