The couple start the year in Sin City. Plus: Britney, Mary-Kate, Brad Pitt and more
Updated: Wednesday Jan 04, 2006 | 06:00 AM EST
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Jennifer Aniston and Vince Vaughn walk arm-in-arm Monday down the Las Vegas Strip after a weekend filled with casinos, clubs and a New Year's Day performance of Vaughn's "Wild West Comedy Show."
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