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New parents Pete Wentz and Ashlee Simpson-Wentz rang in the New Year in Vegas, and they brought baby Bronx along for their trip!
While they hosted their party at Pure, Bronx was back in their hotel room at Caesars Palace. The happy couple sipped champagne and shared a midnight kiss after their countdown duties.
They weren't the only stars celebrating 2009 in Sin City. Check out our Party Pics: Vegas gallery to see Fergie and fiancé Josh Duhamel, the Kardashian sisters and more!