Charlie Hunnam and Dakota Johnson are set to shoot one of the raciest and raunchiest scenes on film. Surprisingly, the "Fifty Shades of Grey" stars are the least bit worried about the parts they'll be playing. If there is however one person that's nervous about all the sex involved, it would be none other than Dakota Johnson's beau, Jordan Masterson.

Author E.L. James and Producer Dana Brunetti are certainly pleased with their choices for the lead parts in the film adaptation. The "Sons of Anarchy" and "Social Network" star have proven that they've got the chemistry to play Christian and Ana. For those hoping they'd have the same chemistry off screen, it would be highly unlikely.

Both Charlie and Dakota have each their personal love interests. Hunnam has long been dating renowned jewellery designer, Morgana McNelis since 2007. For Morgana, the sex scenes involving her beloved Charlie won't be a problem.

"Of course, it's difficult being with an actor, you know?" said Hunnam, adding, "She is required to share certain parts of me with the world that she wouldn't necessarily choose to do, but we have a great relationship and she loves me and wants to be with me and we've been together a long time now, and I think she understands and has come to terms with the fact that there are certain elements of me that she is going to have to share. This is an extreme example of that, but thankfully we do have seven and a half years of history together, so it won't be a big problem."

Johnson's beau, Jordan Masterson, could definitely learn a thing or two from McNelis. According to sources, Jordan is a bit "nervous about all the sex involved" in Dakota's role as Anastasia Steele. Unlike Hunnam and McNelis who have dated for almost six years, Johnson and Masterson have only dated for a year. Jordan Masterson feeling anxious and jumpy about Dakota's film role would of course be expected.

Check out the slideshow to see more of Dakota Johnson and her beau, Jordan Masterson.

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