Shirley MacLaine Reveals Racy Past

April 12, 2011 — -- She may be 76-years-old, but Shirley MacLaine once engaged in behavior that would make today's young actresses raise an eyebrow.

The Oscar winner turned bestselling author turned new age spiritualist shared some little-known facts about her life with Oprah Winfrey on Monday's edition of "Oprah."

She opened up further during a talk at New York City's 92nd Street YMCA Monday night. It's all pegged to her new book, "I'm Over All That: And Other Confessions," on sale now.

Check out seven of Shirley MacLaine's revelations below:

From "Oprah:

From her book:

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