Cinemagoers are guaranteed an eyeful after censors passed the film version of raunchy best-seller Fifty Shades of Grey without any cuts.

The British Board of Film Classification (BBFC) have unsurprisingly made Sam Taylor-Johnson's take on EL James' so-called "mummy porn" an 18 certificate, but said the work "passed uncut".

The film, which is described as showing "strong sex and nudity" as well as "the portrayal of erotic role play", stars Jamie Dornan as Christian Grey and Dakota Johnson as his lover Anastasia Steele.

The series of three Grey books written by James has reportedly sold over 100 million copies worldwide and been translated into more than 50 languages

Taylor-Johnson consulted a professional dominatrix for the film, which is more than two hours long, and said she "learned a lot" from her.

She told The Independent: "The sex scenes are pretty intense, so I'm sure people are going to feel aroused - but I've seen them so many times that I tend to forget."

Some of the BBFC's rulings in the past have been controversial - it caused a storm last year when scenes showing cross-dressing flirtation and a villainous taxidermist contributed to the new Paddington film being given a parental guidance (PG) certificate.

It initially explained to cinemagoers in its consumer advice that the film featured "dangerous behaviour, mild threat, mild sex references (and) mild bad language".

However, it later had a change of heart after the film's distributor expressed its unease with the description, which was amended just hours later.

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