Celebrity Mary-Kate Olsen Due Home This Weekend The 18-year-old star will be released after six weeks in treatment for an eating disorder, PEOPLE reports By People Staff Published on July 20, 2004 03:00 PM Share Tweet Pin Email After spending six weeks at an undisclosed facility, where she has been battling an eating disorder, Mary-Kate Olsen will be released this weekend to resume her life, a source close to Olsen tells PEOPLE magazine. The 18-year-old actress, who has not been seen since she entered the facility, is expected to join her family and begin preparing for college in the fall. She and sister Ashley Olsen will attend New York University as full-time students.