Robert Rodriguez would have cast Brittany Murphy in 'Sin City: A Dame to Kill For' if she were still alive.

The actress played Shellie in the first film based on Frank Miller's graphic novels, released in 2005, but tragically died in 2009 from pneumonia, anaemia and excessive use of prescription medications at the age of just 32.

Samuel laughed: "Well, we shared a make-up trailer, you know..."

Eva, 28, said: "I don't do nudity just for the sake of it. I've only done it twice before and that was opposite Joaquin Phoenix and Denzel Washington. And Denzel won an Oscar for it... Well not for our scene! For the movie."