Mary-Kate Olsen

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Mary-Kate Olsen (born June 13, 1986) is one-half (along with her fraternal twin sister, Ashley) of the Olsen Twins who are American actresses and entrepreneurs.

The twins have appeared in television and films since beginning their careers playing a single infant on the TV series 'Full House.' Since then, they have attained international fame through numerous television programs, films, interviews, as well as commercial endorsements. They typically appear together and are reportedly worth $150 million or more each.