Diane Lane and Oliver Martinez, "Unfaithful"
There's one quick scene in "Unfaithful," despite the fact that the entire film is about an affair, where Diane Lane excuses herself from a lunch with friends to have a quick fling with her secret lover in the bathroom. Lane's character cheats on her husband, played by Richard Gere, and viewers probably thought she was crazy. Both men vying for her attention are incredibly attractive, though, so maybe it's a win-win?
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