Ashton Kutcher "I Did Punk Vartan"  4/15/05

Ashton Kutcher and Jennifer Garner's ex Michael Vartan are at odds over the truth about a reported practical joke that went wrong. Kutcher has confirmed the Alias star was a victim of his MTV show Punk'd but he refused to sign a release form, which would have enabled Kutcher to air the prank on his show. 

This comes just a week after Vartan told US TV show Access Hollywood he wasn't a victim on the show, despite reports he was caught on a plane as pieces fell off pre-flight. Vartan said, "I was never Punk'd on an airplane, so I don't know where they got the story." But Kutcher has branded his fellow actor a liar, insisting, "He just asked us not to run it (the footage)."