Neville Longbottom actor Matthew Lewis lost weight in between filming "The Chamber of Secrets" and "The Prizoner of Azkaban." To keep looking like Neville, he had to wear false teeth, plastic ...

“I’m not really, but hot Neville can open my chamber of secrets,” she joked. You can watch the full discussion in the video here and above, with Matthew Lewis coming up at the 6:15 mark ...