Stars & Their Pets: Matthew Makes a SplashMcConaughey and his pup hit the beach in Malibu. Plus: Naomi Watts's city walk and more

Credit: INF

Updated: Wednesday Sep 29, 2010 | 07:26 AM EDT

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NAOMI WATTS

A birthday-eve stroll: the Fair Game star walks Yorkie Bob near her family's New York City apartment on Monday – the day before turning 42.