Robert Pattinson - Twilight Breaking Dawn Part 1

Things are set to heat up in Twilight Breaking Dawn Pt 1, so-much-so the intense bedroom scene between Bella and Edward had strict rules.

More interviews with the full cast of Twilight Breaking Dawn Part 1>

To make sure the movie is released with its family friendly rating, Robert Pattinson explains exactly how he and Kristen Stewart had to move between the sheets.

Pattinson goes on to explain how he too did some working out to makes sure his abs rivaled Taylor Lautner's and how the on screen relationship is turning into a nightmare.

The Twilight Saga; Breaking Dawn Pt 1 is out in Australia 17th November.