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Rosario Dawson: nudity not negotiable in Trance film

28 March 2013 Last updated at 06:17 GMT

Rosario Dawson says appearing naked in her latest film was 'not negotiable'.

The actress says it was a vital part of dark thriller Trance, directed by Danny Boyle.

It also stars X-Men actor James McAvoy who told us what he did to make Rosario feel comfortable during the nude scenes.

Trance is out in UK cinemas from Wednesday 27 March 2013.

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