Mary Kate Olsen started acting with her twin sister Ashley when she was nine months old on Full House. They both played the part of Michelle. She and her sister were born on June 13, 1986. Mary Kate has 3 sibilings, Trent, Lizzie and Ashley. At age 6 she and sister Ashley were the youngest producers in history. She enjoys yoga and horse back riding. Her latest movie is New York Minute. She played Roxy Ryan. She has not yet done any project without her sister Ashley. Mary Kate and sister, Ashley are now attending New York University.
Mary Kate and Ashley Olsen
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