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No bones about it, Mary-Kate Olsen brings her star power – and unique fashion sense (in a Chloe dress) – with her Tuesday to the Roberto Cavalli-sponsored Winter Dance, held at New York's famed American Museum of Natural History.
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Credit: Joe Schildhorn/PatrickMcMullan/ SIPA
Published: Wednesday Mar 12, 2008 | 04:15 PM EDT
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