Star Tracks 

Spears rings in the New Year in Sin City. Plus: Hilary Duff, Mandy & Wilmer and more

GIRLS' NIGHT OUT photo | Haylie Duff, Hilary Duff

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GIRLS' NIGHT OUT

Hilary and Haylie Duff, who both recently split from their boyfriends, kick off 2007 at Mansion in Miami, where they partied with a bevy of gal pals.

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Credit: sara jaye weiss

Updated: Monday Jan 01, 2007 | 06:00 AM EST

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