Mary-Kate Olsen: Mary-Kate Olsen. Actress: It Takes Two. Mary-Kate Olsen (born June 13, 1986) is an American actress, fashion designer, producer, author, and businesswoman. She co-founded luxury fashion brands The Row, Elizabeth and James, and the more affordable lines Olsenboye and StyleMint alongside her fraternal twin sister Ashley Olsen. Olsen pursued acting independently as an adult until 2012. She is the older sister of actress Elizabeth Olsen.
Mary-Kate was born in Sherman Oaks,...