With curves that stretched for miles, ruby-red lips, and an inexplicable mystique, we can all agree that Marilyn Monroe is the greatest movie icon to ever live. Movie directors, Playboy magazine, biographies, heck, even Andy Warhol have tried to capture the secret to her allure.

Well, I am going to propose that there was one often-overlooked aspect that Marilyn Monroe always possessed—perhaps key to her image more than her husky voice or her elaborate makeup and fashion.

It is simply this: Marilyn Monroe effectively executed a seductive walk with a hip shimmy that one can’t help but ask, “How did she do that?” The answer might surprise you—and I am here to tell you.