It's been a terrible week for celebrity deaths, with Ed McMahon, Farrah Fawcett, Michael Jackson, and Billy Mays all dying. What's this? A tweet about Britney Spears on her feed? She's dead? Say it's not so!

Ed McMahon, beloved talk show host who was Johnny Carson's sidekick for three decades, died at 86 years old.

Ed McMahon, famed sidekick to Johnny Carson on "The Tonight Show" is hospitalized in Los Angeles in intensive care. A person close to him told AP Friday that McMahon has bone cancer.