Eva Green’s racy “Sin City: A Dame to Kill For” poster is just too darned sexy for the MPAA.

NSFW? See Eva Green's Banned 'Sin City 2' Poster!
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Sources told Deadline.com it was banned “for nudity — curve of under breast and dark nipple/areola circle visible through sheer gown.”

The smokin’ hot poster features Green holding a revolver, and leaving little to the imagination in a sheer robe.

The “Sin City” sequel, directed by Robert Rodriguez and Frank Miller, opens August 22.

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