Can I Borrow That?

When it comes to accessories, it's share and share alike for the Olsen twins, Kardashian sisters and other stylish celeb clans. By Melissa Liebling-Goldberg

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45 RPM SCARF

Ashley Olsen ties her colorful scarf around her neck for a coffee run, while twin Mary-Kate bundles up in the patriotic wrap for a chilly day of shopping in N.Y.C.