New Year's '07: From Parties to PDA!

Vegas! Miami! New York! See how Nick & Vanessa, Britney and others partied in the New Year

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EXES MARK THE SPOT

Former flames Mandy Moore and Wilmer Valderrama get cozy at Miami's Mansion, where the pair looked to be getting reacquainted. They "had their hands all over each other," according to a source.