Halle Berry can only laugh - even now a little hysterically - when she is asked what went through her mind when she heard her name read out on Oscar night. Her eyes widen. I know what happened after that because I've seen the video. But when they said my name I looked at my mom and I looked at my husband and I can't even remember seeing their faces. Berry's acceptance speech was certainly memorable.

The 'did they, didn't they? Here are five other ultra-realistic scenes which have had cinema-goers asking, "Was it for real? Telling the story of a couple's whirlwind romance through 9 different songs and a wealth of stark sexual scenes, there is no doubt here — the sex was real.

Worrying about what's on show, hands where they shouldn't be, or even hands where they should be. The idea of taking off all your clothes in front of a crew full of people, feeling up a co-star you may have only met days before and a camera lens recording every moment must be something of a daunting task for even the most attention-seeking of stars, but sex scenes are unavoidable in many movies. So what really goes on behind the scenes of a passionate moment on film? Surely there must be some upside getting into bed with Ryan Gosling? We delved into the celebrity archives to find out just how our favourite actresses cope with faking it.