'Jackass' star Ryan Dunn dies

'Jackass' star Ryan Dunn dies

"Jackass" star Ryan Dunn, 34, was killed in a car accident. Dunn posted on Twitter a picture of himself drinking with friends hours before the accident. However, authorities have not yet said what caused the crash. Dunn is most famous for his stunts in the "Jackass" movies as well as the show on MTV.