Mary-Kate Olsen

Born in Sherman Oaks, California, USA on June 13, 1986 (age 40)

Mary-Kate Olsen (born June 13, 1986) is an American actress, producer, author and fashion designer. She made her career debut in 1987 alongside her twin sister Ashley Olsen in the television series Full House. Following the huge success of Full House in America, Mary-Kate and Ashley established a successful career starring in television and film roles.