Mary-Kate Olsen (born June 13, 1986) is an American actress, fashion designer, producer, author, and businesswoman. She co-founded luxury fashion brand The Row and the more affordable line Olsenboye alongside her fraternal twin sister Ashley Olsen, Olsen pursued acting independently as an adult until 2012. Mary-Kate is younger than Ashley by two minutes. Mary-Kate and Ashley were born in Sherman Oaks, California to David Olsen and Jarnette 'Jarnie'. They have an older brother, Trent, a little sister, Elizabeth Olsen who is also an actress, and two younger half siblings Taylor and Jake from their father's second marriage. Mary-Kate and Ashley's parents divorced in 1995. Along with Ashley, Olsen was cast at the age of nine months to share the role of Michelle Tanner on the ABC sitcom Full House. The Olsen twins portrayed Michelle throughout the series' 1987-1995 run.
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