Topix — John Mayer canceled four European tour dates over an undisclosed illness. It turns out the singer got food poisoning in Copenhagen. more info

The Newsroom — The latest celebrity news including the death of actress Rue McClanahan, illness forces singer John Mayer to head home and Adrien Brody's new film "Splice." more info

411 Mania — What's wrong with John? more info

People.com — The Grammy winners deliver a spirited performance together of Urban's "Sweet Thing" more info

Idolator — Did You Hear? :: Courtney Love pulled a Hannibal Lecter on Katy Perry and is wearing her face all around town. [Best Week Ever] :: John Mayer canceled his upcoming tour due to an undisclosed illness. If “undisclosed illness” isn’t just a euphem... more info

Perez Hilton — This morning, John Mayer's team announced that the douchey singer wouldn't be finishing his European tour as he fell victim to a "mysterious illness." We were genuinely concerned. We thought he was actually very ill. Then we heard what his affliction... more info

Pop Crunch — John (Open Mouth, Insert Foot) Mayer has scrapped his European tour after falling ill in Copenhagen, Denmark on Monday.The singer/songwriter performed at the city’s Forum Copenhagen venue on Sunday and was due to play there again on Monday, but he ... more info

Reuters — LOS ANGELES (Reuters) - Illness has forced singer John Mayer to cancel his shows in Amsterdam, Madrid and Manchester, a statement on his website said on Wednesday. more info

MTV.com News — Singer was scheduled for shows in Amsterdam, Madrid and Manchester this week.By Jocelyn Vena John Mayer Photo: Mike Coppola/Getty Images John Mayer has been forced to cancel the rest of his European tour dates after coming down with an undi... more info

VH1 News — John Mayer canceled the remainder of his European tour dates this week after reportedly getting ill. more info