Rachel Bilson
The actress may have been one of several celebs at the Ann Taylor Fall 2010 preview show in NYC, but it's pretty clear who stole the spotlight.
Kellan Lutz
As much as we'd like to be adopted by the Twilight hunk, Lutz's PETA ad reminds us that everyone who cares for stray animals is beautiful.
John Krasinski & Emily Blunt
Hanging out with both your fiancée and your four-legged friend? Not a bad way to spend your time away from the office.
Minka Kelly
The Friday Night Lights beauty takes a stroll with her adorable dog, Chewy. (Yes, he's named after our favorite Wookiee.)
Carrie Underwood
Not only does rat terrier Ace jet-set with his American Idol mom, he has his very own fan site.
Miranda Kerr
Between BF Orlando Bloom and her Yorkie, Frankie, the Victoria's Secret Angel sure keeps in the company of cuties.
Tori Spelling & Dean McDermott
The Cottonelle couple (seen here with the brand's signature pups) star in a Funny or Die thriller spoof, which raises the query: Over or under, how do you roll?
Miley Cyrus
Miley takes her new puppy shopping in WeHo. Hope Sophie doesn't get jealous!
Of course, none of the dresses in Miley's Fashion Spotlight gallery are as cute as this.
Jane Lynch
The Glee actress looks hopelessly devoted to her dogs. No wonder she's so excited to have Olivia Newton-John guest star on her show.
Jerry O'Connell
Jerry's dog Bim looks ready to give Matthew McConaughey's mutt a run for its money in the personal trainer department.
Susan Sarandon
The Lovely Bones actress sneaks her Pomeranian mutts into the Late Show With David Letterman studio, where she shows off pics of the pooches posing with famous people. Aw!
Nicole Richie
Harlow and Sparrow's mom tweets a snap of her other babies, Pomeranian Foxxy Cleopatra and shih tzu Honeychild.
Think that's cute? Check out this!
Shakira
The singer enjoys some puppy love while relaxing in Uruguay.
Emily Blunt
We're not sure if this is Em's real dog or an animal actor on the Adjustment Bureau set, but it's pretty precious nonetheless.
Paula Abdul
You know how they say dogs start to resemble their owners? Reverse it, and you've got Paula and Tulip.
Kelly Osbourne
Kelly cuddles up with her Pomeranian, Sid, who she assures is "not at all vicious."
See more of the talented Miss Osbourne in our Rehearsing With the Stars gallery!
Ashley Tisdale
The Tiz is here today, gone to Maui (that's her maltipoo). What a cute duo!
Leona Lewis
PETA's 2008 Sexiest Vegetarian and her Staffordshire bull terrier mix, Misty, lend their support to the World Society for the Protection of Animals.
Hilary Swank
Amelia star and two-time Academy Award winner Hilary adds another honor to her résumé: Home 4 the Holidays ambassador. The Iams campaign raises awareness on the importance of pet adoption.
Kate Beckinsale
Esquire's Sexiest Woman Alive carries the family pet like a wee tot. Hey, that method has to be better than this.
Kristen Bell
Kristen makes a new friend while promoting Couples Retreat Down Under. The voice of Gossip Girl is the proud dog mom of two adopted corgis, Shakey and Lola, and a black Lab, Sadie, who is a Katrina rescue!
Jessica Alba
We're not sure if this is Sid or Nancy with Jess (she owns two pugs). The starlet also has a pit bull named Bowie. Noticing a trend?
Check out Jessica's lovely human pack in our Famous Families gallery!
Mischa Barton
Mischa credits her dogs Charlie and Ziggy (not pictured) with keeping her grounded. Note to pups: You may want to try harder.
Ashley Greene
The Twilight cutie calls toy fox terrier Marlo "my life" and even raps to her!