Vernon Kay has branded Jack Black "rude and arrogant".
The television presenter has taken aim at the School of Rock star after interviewing him on a number of occasions - including on T4 at the beginning of his career - and claimed he was so "pig-faced".
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He fumed: "I don't know whether he'd had a hangover or whether it was because I was either the first or last interview of the day but he was horrible. He was an absolute d**k, an a******e. When you're so rude, arrogant and pig-faced to a young TV presenter, who's so nervous and trying to hone his skills, and you're so arrogant to dismiss that, it's just not on. He was just a c**k. I interviewed him three or four times for various films. I interviewed him for Gulliver's Travels, for School of Rock, for Shallow Hal and a couple of others and he was just the same every time."
And Vernon isn't worried if Jack sees his comments and he wants it to serve as a "lesson" to the 50-year-old Hollywood star.