Kristen Stewart and Robert Pattinson get cozy in "Twilight"

Robert Pattinson has admitted that he gets "carried away" while filming love scenes with co-star and rumored girlfriend Kristen Stewart in the latest installment of the 'Twilight' saga.

“When we start the kissing scenes I forget we’re surrounded by a load of people. I actually end up getting really carried away," he said.

Apparently,the scene where Edward and Bella have sex for the first time, took 12 hours to film. Robert Pattinson and Kristen Stewart have recently been filming the romantic scenes of 'Breaking Dawn' in Brazil.