Robert Pattinson: 'Sex scenes are like Twister'

Robert Pattinson says filming sex scenes is like playing a game of Twister.

The 'Twilight' actor had to shoot raunchy scenes with co-star and real-life girlfriend Kristen Stewart in the next instalment of the vampire movie franchise and admits it wasn't as glamorous as it looks.

Speaking at the Golden Globe awards in Los Angeles, he said: "It's always awkward, in a way, doing it with anybody. But at the same time, it really depends on how it's staged and stuff. It's like doing Twister."

In 'Twilight: Breaking Dawn' - which will is based on the fourth book and will be split into two movies - Robert's character Edward Cullen sleeps with Kristen's alter-ego Bella Swann for the first time and he has previously joked about how hardcore the sex scenes will be.

He said: "Bella becomes a vampire in this movie. We get married and sleep together. I haven't read the script yet but I'm sure it'll be good.

"I'm wondering how they will be able to translate this on screen. We'll end up with an R-rated movie. Can you imagine if we decided to go in and turn 'Twilight' into a hardcore saga for adults with sex scenes and everything?"