9½ Weeks is a 1986 erotic drama film directed by Adrian Lyne and starring Mickey Rourke and Kim Basinger. The film is based on the novella of the same title by Elizabeth McNeill.

The film was not a major success commercially in the United States, grossing USD $7 million in box office receipts alone, and was very badly received by critics. Despite its moderate success in North America, the film acquired a large fanbase on video and was a huge success internationally.[citation needed] The film is now well known for its erotic sadomasochistic content.
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They often try out a variety of diverse sexual and erotic acts, including a scene in which John teases her body with ice while she's blindfolded; a scene in which Elizabeth takes off a tuxedo and has sex with her partner in a rainy brick alley stairway; and Basinger's now iconic striptease to Randy Newman's "You Can Leave Your Hat On," as performed by Joe Cocker.
(The 3 aforementioned scenes can be downloaded below)
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This film was Kim Basinger's first starring role in a major motion picture, although many of the erotic scenes featured a body double. Director Adrian Lyne used emotionally manipulative tactics on Basinger during the shooting to elicit the performance he wanted from the somewhat new actress, which Basinger later criticized harshly. For example, Lyne did not allow Rourke and Basinger to talk to each other off-set. The two were kept isolated from each other and Lyne would tell Basinger rumors about Rourke intended to make her like or dislike him so that she would carry that attitude into the scene.

Lyne would also offer Rourke performance notes, but Basinger none, in order to unnerve her. In a very unusual and expensive move along these lines, Lyne shot the film sequentially, so that Basinger's actual emotional breakdown over time would be effectively translated to the screen.