Gerard's joy at working with Heigl
The pair gets passionate in the new movie - a dream come true for Butler, who had first noticed pretty Heigl in the 2007 comedy.
He says, "She's awesome. I'd seen her in Knocked Up and she blew me away in that. I thought, 'I'd love to get the chance to work with her' and then this great script came along.
"I think it was my first day of filming and suddenly I'm there grabbing her butt and pulling her hair."
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