|Kristen Stewart and Robert Pattinson|
He told Espectacular TV: "We were staring into the camera doing orgasm faces and stuff and it becomes unbelievably embarrassing. But I think it ended up good at the end I think."
Robert has previously revealed he wanted more "thrusting" in the sex scene.
He explained: "It wasn't me, it was Kristen. I'm still doing the same thing, the general movement. Normally you have problems with ratings like nudity, but this was literally about the movement. Thrusting! They kept telling me not to move.
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"They wanted to have a leash so you couldn't thrust past a certain point. Just the tip or something! That doesn't mean anything; it's just a figure of speech. I mean, they want to see thrusting, not probing."