Dualstar
Mary-Kate and Ashley were popular figures in the preteen market during the late 1990s and early 2000s. Their names and likenesses extended to clothes, books, fragrances, magazines, movies and posters, with a market share made up mostly of the tween demographic. Mattel also produced Mary-Kate and Ashley fashion dolls from 2000 to 2005.
The sisters became co-presidents of Dualstar on their 18th birthday in 2004.Upon taking control of the company, Mary-Kate and Ashley made moves to secure the future of the company by releasing products that appealed to the teen market, including home decoration and fragrances. The Dualstar brand has been sold in more than 3,000 stores in the United States and over 5,300 stores worldwide.
The Olsens have appeared on the Forbes "Celebrity 100" list since 2002; in 2007, Forbes ranked them (collectively) as the eleventh-richest women in entertainment, with an estimated net worth of US$100 million.
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