Ashton Kutcher's original trickster on "Punk'd," Dax Shepard, parlayed his ability to screw with celebs into a successful career of screwing with the general public -- by wrapping himself around one hot Hollywood blonde after the other. Where are the hidden cameras now?
Kristen Bell left her car at a shop to be serviced Friday, and piled into Dax's truck to go grab a bite to eat -- where Dax held back the urge to make Kristen think her car exploded during the tune-up. He's so unpredictable!
Except when it comes to women ...
Still Punking Kristen Bell
12/22/2007 11:55 PM PST BY TMZ STAFF
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