Yahoo! Music — AP - Janet Jackson has canceled her fourth show in less than a week because of an undisclosed illness. more info

Associated Press — GREENSBORO, N.C. (AP) -- Janet Jackson has canceled her fourth show in less than a week because of an undisclosed illness.... more info

Perez Hilton — Janet Jackson was set to resume her Rock Witchu tour in Greensboro, N.C., on Saturday night but "postponed" that concert at the last minute! Just about an hour and a half before showtime, concertgoers already in the Greensboro Coliseum were alerted t... more info

Starpulse — We know she's a pop star, and they get a lot of latitude for their stage outfits. Concert costumes are supposed to be flashy and out of the ordinary. However, Janet Jackson's [...] Read more! more info

We know she's a pop star, and they get a lot of latitude for their stage outfits. Concert costumes are supposed to be flashy and out of the ordinary. However, Janet Jackson's [...] Read more! more info

The Newsroom — Heather Locklear's arrest a TMZ scam? Janet Jackson postpones more concert dates? Hugh Laurie's house gets housed? And Lindsay and Sam hit the playa? All on today's Hollywood Hotline! more info

Undercover, Australia — Janet Jackson is thought to be suffering from exhaustion. more info

E! Online - Janet Jackson's field trip to a Montreal hospital was a brief one. more info

PopSugar — Tina Fey's agent has been reaching out to publishers about the possibility of her writing a nonfiction humor book, and the bidding war is apparently already in the $5 to 6 million range. — NY Post Sienna Miller won $27,000 and an apology in ... more info

MTV.com News — Singer's ailment has not yet been disclosed.By Jocelyn Vena Janet Jackson Photo: Scott Gries/Getty Images After postponing her Monday show in Montreal due to an unspecified illness, Janet Jackson has also canceled her Wednesday show in Bos... more info