Brad Pitt is refusing to show his naked butt for his latest movie role and is insisting that producers find a double as a replacment.Brad showed off his rear in the 2004 hit 'Troy' but is refusing to do it again for The Curious Case of Benjamin Button.
A source told The Sun, "Casting notices have been put out looking for suitable rears. Maybe Brad's partner Angelina Jolie doesn't want him stripping off for anyone else these days."
