Mary-Kate Olsen is an American actor, fashion designer, author, businesswoman, producer, and equestrian. Along with her twin sister Ashley Olsen, she forms the multi-talented sister duo who has carved a niche in the world of entertainment and fashion. Coming from a non-showbiz background, the twin sisters remained undeterred while facing many challenges, and went on to establish themselves in showbiz. In fact, the talented sisters started off even before celebrating their first birthday. When they were nine months old, the Olsen sisters’ career as actors started, as they shared the role of Michelle Tanner on the ABC sitcom Full House. Their careers evolved as they grew up. They even started a limited liability company called Dualstar which produced a long string of TV movies and direct-to-video releases featuring the girls. Having made their mark in acting, they chose to work on their first love, fashion. Today, the sisters are proud owners and founders of the luxury fashion brands, The Row and Elizabeth and James. They are also the owners and founders of the more affordable lines, Olsenboye and StyleMint. With their entrepreneurial skills, they have taken their company to newer heights. In 2007, Forbes jointly ranked the twins as the eleventh-richest women in entertainment, with an estimated combined net worth of $100 million.