Vegas! Miami! New York! See how Nick & Vanessa, Britney and others partied in the New Year
Credit: sara jaye weiss
Updated: Tuesday Jan 02, 2007 | 04:00 PM EST
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Both newly single, Hilary and Haylie Duff make a studied contrast – with their locks and frocks – as they spend New Year's Eve dancing the night away at Mansion in Miami.
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