Diane Keaton's natural beauty lands her on this list. The the iconic actress hasn't gone under the knife yet, but that doesn't mean she is totally opposed to the idea either. "My thinking about plastic surgery is this… I haven't had it, but never say never." Keaton said in an interview with AARP magazine. "Because when you do, you are definitely going to go there. I said I would never have intercourse before I was married, and I did. I said I would never go to a psychiatrist, and I spent much of my life in psychoanalysis. I've done all kinds of things I said I wouldn't do and, of course, now I'm glad. Thrilled." —XFINITY Entertainment Staff (Photo by Andreas Rentz/Getty Images)
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