Debra Messing
"LOVIN' on our new puppy," the actress tweeted Saturday, with a photo of herself hugging her new furry friend. "Say hi to Henry!"
Maria Menounos
The Extra! cohost brought her four-legged friend Apollo to join her on set.
Halle Berry
After learning her precious cat was sick, the Catwoman actress takes her special pet to the Veterinary Speciality Center in Los Angeles.
Lena Dunham
The Girls creator and star showed off her newly adopted pup on Instagram, saying, "And because no day is stressful enough on its own, meet Lamby Dunham."
Miley Cyrus
The future Mrs. Liam Hemsworth added Bean, a rescue pup to her pet family.
Andrew Garfield
The Golden Globe nominee—and his amazing ladylove Emma Stone—took in Ren, a rescue pooch, just before Christmas.
Zoe Saldana
The Star Trek actress recently rescued an adorable pooch named Mugsy.
Honey Boo Boo
Alana is inseparable from her pet chicken, Nugget!
Justin Bieber
The singer took to Twitter to introduce fans to his latest entourage edition—a hamster named Pac. "Me and #pac on the road," the 18-year-old posted.
Jessica Biel
The actress posts a WhoSay picture of her beloved pit bull Tina serving as a "55 pound blanket!"
Kerry Washington
Hanging out at the airport must not be so bad with a cutie like shih tzu mix Josie in your arms!
Amanda Seyfried
The actress and her four-legged friend, Finn, go out for a sunny stroll.
Tallulah Willis
The celebuspawn takes her corgi mix to the groomer in West Hollywood for a little T-L-C.
Kim Kardashian
The star got herself a bit of Mercy wth this Persian teacup cat.
Ke$ha
The party don't start 'til Ke$ha and her rescue Siamese cat, Mr. Peep$, walk in.
Olivia Wilde
We're just, well, wild about this gorgeous gal's rescue pup, Paco.
Taylor Swift
Awww, looks like the singer's cat Meredith has Olympic Fever! "She's actually watching the Olympics," the country cutie tweeted.
Liam Hemsworth & Miley Cyrus
The engaged couple took their furry friend Ziggy out for a coffee run in Philadelphia.
Jessica Chastain
The Help star invites her three-legged rescue pup, Chaplin, to join her on the set of her new film The Disappearance of Eleanor Rigby.
Jack Osbourne
The new dad steps out to Petco with his pup to pick up some supplies.
Nikki Reed
The Twilight star cuddles with her rescue dogs while enjoying a birthday lunch.
Ashley Greene
Puppy break! The Twilight star gets some time with her pooch, Marlow, on the Manhattan set of her new TV series, Americana.
Amy Smart
Aww—the actress takes her dog, Maggie, to an ASPCA event in New York City. What a cute couple.
Mickey Rourke
He's a lover, not a fighter. While filming Dead in Tombstone in Romania, the actor adopted a stray pup he found on set. Guess what her name is...it's Foxy!