Jackson's tour organizer Live Nation has said she will not be making up the shows in Montreal; Boston; Philadelphia; Greensboro, North Carolina; Fort Lauderdale, Florida; Uncasville, Connecticut; and Verona, New York she was forced to cancel last month, because of sudden onset migraine-associated vertigo. She did manage to perform makeup dates in New York City and Atlanta.

There's no word yet on when or how fans will be able to seek a ticket refund for the nixed shows.

Read more on Janet Jackson's tour troubles here.