MTV is reporting that 'Jackass' star, Ryan Dunn has died in a car crash in Pennsylvania.  The crash reportedly happened at 3am this morning.  There was another person in the car, but there are no details on who that person was, or what their condition was.  Dunn was 34 years old and appeared in all of the 'Jackass' movies.  More after the jump.

Here is the trailer from Jackass 3D which was released back in October:

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