Stars and Their Pets: Ed Westwick's Dashing Dog WalkWestwick and his on-set pooch share screen time in New York. Plus: Alanis Morissette gives her dog a lift in L.A. and more

MARK ZUCKERBERG

Even billionaires have to pick up after their dogs! The Facebook founder takes a walk with Puli puppy Beast – now all grown up – in Palo Alto, Calif., on Saturday.



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