Mary-Kate & Ashley Olsen became America’s sweethearts when they were cast as Full House’s Michelle Tanner at nine months old. They have grown up in front of the camera, starring in various television shows, films and commercials together. In the past few years the twins have also made a splash in the fashion and business worlds, starting their own label and clothing line and becoming the CEOs of their company, Dualstar. They like to be called an “individual pair,” as they have striven to cultivate unique identities as well as a tight sisterhood.

—Sarah Levy

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