Worlds Wildest Moments on Instagram: "Jim Carrey’s elevator scene in Liar Liar is one of the funniest moments in the entire movie — and it almost didn’t make the final cut because Carrey kept breaking character. The actress in the scene, Krista Allen, later revealed that Carrey improvised most of his lines on the spot, trying different joke variations every take, which made it almost impossible for the crew (and her) not to laugh. Liar Liar was filmed during a period where Carrey was becoming th