Fifty Shades of Grey trailer gives glimpse of film's racier scenes

The trailer for the movie adaptation of literary phenomenon Fifty Shades of Grey was released this week, giving fans of the book a brief look at some of the sexier scenes they can expect to see on the big screen.

E L James' erotic romance novel, the first instalment in a trilogy, became a global sensation after the publishing rights were acquired by Vintage Books in March 2012. It has sold over 100 million copies worldwide, despite indifferent and often scathing reviews from critics.

It tells the story of young college graduate Anastasia Steele, played by Dakota Johnson in the film, and her relationship with billionaire businessman Christian Grey, played by Jamie Dornan, a former model and ex-boyfriend of Keira Knightley.

The main reason the book caused such a stir was its explicit sexual content, as the virginal Anastasia discovers Christian's passions for S&M and dominance in the bedroom.

In the new trailer, we get a glimpse of some of the racier content that will feature in the movie, from some passionate snogging in a lift to a sex scene that sees our heroine tied up and blindfolded.

All very kinky and exciting, but in an interview on the Today Show in the US, Johnson revealed that the process of filming the scenes was anything but.

"It's not, like, a romantic situation. It's more, like, technical and choreographed and less ... it's more of a task," the 24-year-old actress said.

Her 32-year-old co-star responded with a sigh and a simple "wow". He was keen to stress that the pair had chemistry on set, adding that trust was one of the most important parts of their working relationship.

"We got ourselves into situations that don't feel that sort of natural and they're not that easy and you need to have the trust there," Dornan said.

Fifty Shades of Grey fans will be able to see the film adaptation's erotic scenes in full when the movie hits cinema screens in February 2015.