10. Diane Keaton
Diane Keaton has dated her fair share of leading Hollywood dudes over her lengthy career, but she's never been married. She explained: "I remember when I was young I honestly believed in some ridiculous way that you would find someone who would be the person you lived with until you died. I don't think that because I'm not married it's made my life any less. That old-maid myth is garbage."
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