Cavallari gets a paw, er, hand, from pup Bardot at an event in Las Vegas. Plus: Josh Duhamel & Fergie, Mario Lopez & Mike Tyson, Taylor Swift and more


Julianna Margulies proves she's not only a Good Wife but a good mother, too, as she holds tight to 5½-year-old son Kieran while out on a family walk with hubby Keith Lieberthal Tuesday in N.Y.C.

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