R-Pattz: 'Twilight Sex Scenes Were Ridiculous'

Robert Pattinson has described hisTwilight sex scenes with Kristen Stewart as "pretty ridiculous".

The British star of the vampire movie franchise was talking about filming the intimate scenes with his now-back-on-again girlfriend during an interview with Australian radio hosts Kyle and Jackie O.

He said: "The sex scene in this one is pretty ridiculous. It's just because you're kind of shooting stuff to be PG-13... It's just trying to think of inventive ways to make something sexy.

"It can't just be a normal sex scene. It's supposed to be about, like, the greatest vampire sex you've ever had."

He explained that, because of the child-friendly rating, they had to film close ups of their faces looking ecstatic.

"We're doing it just to the camera, and the camera man is laughing as well. Guys faces I don't think are really designed to do that."

But while R-Pattz might be mildly embarrassed about filming sex scenes, he gets really angry at being called - erm - R-Pattz.

The Sun quoted him as saying that he hated the nickname and "would like to break the hands and mouth of the person who came up with it".

Meanwhile his co-star Kristen Stewart was in Japan on her own for the premiere of The Twilight Saga: Breaking Dawn - Part 2.

The 22-year-old wore a monochrome block-checked playsuit as she met fans on the red carpet at the screening of the final instalment of the vampire movie franchise.