Celebrities Tweet About Comedian Greg Giraldo's Reported Drug Overdose

Stars including John Stamos, Jimmy Kimmel and Sarah Silverman are tweeting about the late comedian and "Last Comic Standing" judge Greg Giraldo, who died Wednesday, five days after being hospitalized, Internet reports say, for an accidental prescription-drug overdose.

"Greg Giraldo was a great and funny man," wrote late-night host Kimmel.

"RIP Greg Giraldo. Belly-laugh hilarious, prolific, good & kind. A thousand oys can't express," tweeted comedienne Silverman.