Mary-Kate Olsen, along with fraternal twin sister Ashley Olsen, began as a child star and grew to become a marketing tycoon of products aimed at pre-teen girls such as clothes, books, dolls, and fragrances. In 2001 she suffered from anorexia at and checked into treatment. She is, however, still hailed by many online anorexic communities as an idol and "thinspiration".
Birthdate: June 13, 1986
Best known for: playing Michelle Tanner of Full House
Other shows: Two of a Kind, So Little Time
Other: have recorded an album and made several small-budget movies for children and tweens
Though many stars are currently jumping on the "thin is in" bandwagon, Mary-Kate Olsen is one of the few who has admitted to an eating disorder.