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EVA & JINXY
While filming her ABC series Desperate Housewives in Pasadena, Calif., Eva Longoria cuts to an adorable scene with her cutest costar, her Maltese Jinxy.
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AMERICA & BUDDY
Ugly Betty star America Ferrera and her golden retriever Buddy make a fetching pair while playing ball at a San Diego beach.
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KATHERINE & ANDERSON
With pooch Anderson (whom she shares with fiancé Josh Kelley) by her side, Grey's Anatomy star Katherine Heigl takes a jog though the high roads of the Hollywood Hills.
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JESSICA & DAISY
Jessica Simpson may be harmonizing with John Mayer, but her maltipoo mix Daisy is still her first-class travel companion, joining the pop star on a sightseeing adventure in the Big Apple.
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JENNIFER & DOLLY
Jennifer Aniston proves a girl's best Friend is her dog, as she and pooch Dolly (whom she adopted last summer) make a coordinated outing in Beverly Hills.
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NAOMI, BOB & NED
It's three's-a-company for mom-to-be Naomi Watts and her pups, Yorkshire terrier Bob and cocker spaniel Ned, during their daily walk through New York's West Village.
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HILARY & KAROO
With her chic Chanel handbag on one arm and Corgi-Parson Russell Terrier mix Karoo in the other, Hilary Swank takes a well-accessorized stroll in Los Angeles.
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MISCHA & ZIGGY
Mischa Barton's pooch Ziggy may be small in size, but this spaniel shows who's top dawg in this Los Angeles park – thanks to a boost from his devoted mom!
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SIENNA & BESS
Taking a break from a London photo shoot, Sienna Miller gets down to some hands-on petting duties with one lucky dog – her pooch Bess!