She is last believed to have been living in London, where she has a historic townhouse in the swank Belgravia section near Hyde Park and a brick country cottage about 90 miles southwest of the city.
Mary-Kate's controversial fashion choices have often found her on both the best and worst dressed fashion lists, particularly for her decision to wear fur.
Firstly, there was a controversial feature on the René Guyon Society, a possibly mythical American group that was said to have advocated sexual relationships with children.