Yara Shahidi has become a powerful voice for Generation Z. Between her outspoken advocacy for social justice and diversity in Hollywood, the 19-year-old Grown-ish actress doesn't shy away from speaking her mind and fighting for what she believes in. In Harper's Bazaar's August issue, the Harvard student — who casually received a letter of recommendation from Michelle Obama — opens up about her continued efforts to create a better world. Among those efforts are maintaining her campaign Eighteen x 18 to encourage her peers to stay politically active and supporting beauty brands that offer a wide range of products and shades for women of color. Ahead, read how she uses her platform to make important statements on social causes.