The hottest vampire of the moment -- 'Twilight' hunk Robert Pattinson -- reveals he sometimes slips into character when he's with a woman! "I've been known for a little nibble," Robert told reporters at the London premiere of 'Twilight,' People magazine reports. Thousands of screaming girls lined the black carpet Wednesday night for a chance to see Pattinson, 22, who also told People he is not actively looking for a girlfriend. "I'm not like prowling around, no!" he laughs. He also said the pickup lines of admirers have changed after Twilight's success, saying he now often gets: "Oh I'm such a big fan!" Photo: Splash News

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