AP - In another setback on her "Rock Witchu" tour, Janet Jackson has lost her opening act: LL Cool J.

Janet Jackson has issued a statement explaining what's forced her topostpone nine North American shows in the past month. According to herpublicist, Jackson continues to have problems with vestibular migraines, acondition that leads to vertigo-like symptoms."She's a world-class entertainer

AP - Janet Jackson is returning to her "Rock Witchu" tour and — finally — revealing the mystery illness that led her to cancel a string of concerts. Following two weeks of scrapped shows, Jackson was scheduled to resume her tour Wednesday night at the Verizon Center in Washington after a bout of migraine-associated vertigo. She is being treate...

The illness that forced Janet Jackson to cancel a string of shows on her 'Rock Witchu' tour has been revealed.

Reuters - A rare form of migraine forced Janet Jackson to cancel several dates on her Rock Witchu concert tour but she planned to return to the stage on Wednesday in Washington, D.C., her manager said.