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10. Ashley Olsen The vintage Dior dress Ashley
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10. Ashley Olsen
The vintage Dior dress Ashley Olsen wore to the 2013 Met Costume Institute Gala looks like it might have been pretty, so why did she have to throw a rain poncho over it? (May 6, 2013)(Credit: AP)

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Top 10 worst celebrity looks of 2013

There were plenty of memorable-- even iconic-- celebrity fashion choices made in 2013. But these 10, we'd rather forget. -- BY NINA RUGGIERO