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25. Maye Musk
Model Maye Musk, also known as Elon Musk's mother, says going gray was the best decision ever for her career.

“Looking back, letting my hair go natural was an amazing decision because I started getting major ad campaigns," she told People. "I also signed with agencies in Europe and traveled to many different cities, which I loved. People would stop me in the street and say they loved my hair!”