Ali MacGraw and Oprah Winfrey

Photo: George Burns/Harpo Studios

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SLIDESHOW

In 2014, when she turned 75, Ali looked in the mirror and thought, "Enough is enough." It was time, she said, to stop dyeing her hair. Living away from the image-obsessed Los Angeles, the legendary actress felt empowered to embrace a more natural look, and today, she says, she loves it.