Hilton brings along her latest Chihuahua to an L.A. recording studio. Plus: Matt & Ben, Eva Longoria and more

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'BOURNE' TO BE BESTIES

Surprising Matt Damon (in an ISAIA custom suit) at the L.A. premiere of The Bourne Ultimatum on Wednesday, Ben Affleck needles his pal about how slowly he was working his way down the red carpet. To the press, however, Affleck gushed about his buddy's film: "I've already seen it [and] by far the best, very good, very good movie."