Robert Pattinson Is "Dirty"

His co-star Reese Witherspoon dishes the er, dirt on Rob...

Robert Pattinson's co-star Reese Witherspoon has revealed that the hunky actor is dirty…but not in a good way!

Seeing as R-Pattz has been talking about sex A LOT recently, when we heard that Reese had branded the Twilight star as dirty, we kind of jumped to conclusions.

CHECK OUT PICS OF R-PATTZ & REESE IN WATER FOR ELEPHANTS HERE!

However, Witherspoon was in fact talking about her Water For Elephants castmate's personal hygiene, stating that Rob is a bit filthy.

When asked by Sugarscape if Pattinson was a dirty person, the actress revealed: "Well, it's a boy thing, right? To have dirty fingernails and dirty hair, and his clothes were dirty all the time."

It seems that Rob isn't the perfect man after all! In other R-Pattz news, film bosses are reportedly worried that he will be "unmarketable" in his new flick, Bel Ami.

According to Total Film, the movie is having to be edited to make Pattinson's character - a manipulative business man - more likeable.

Rob explained to the publication: "We were really true to the book and because the guy is basically a s**t who wins everything at the end it's really difficult to market it - especially with me in it."

WATCH MTV'S EXCLUSIVE R-PATTZ INTERVIEW HERE!

He added: "Everyone's worried that everyone's going to be thinking, 'Oh I want him to be nice, he's got to be nice to all the ladies'."

Bel Ami's release has already been delayed, as the movie was supposed to be out in cinemas by now.

At the moment, no new date has been confirmed.

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