From teacup Pomeranians to playful ferrets, celebrities get starry-eyed over their precious pets. Check out these adorable animals and the famous owners who fell for them.
Kim Kardashian carried her new kitten, Mercy, as she and sisters Kourtney and Khloe visited their Miami Dash store. The new pet was a gift from Kim's boyfriend, Kanye West, and is named after one of his songs.
Lady Gaga holds her poodle-cross breed pup Fozzi as she arrives at the airport in Vienna, Austria, on August 17, 2012. Gaga even accessorizes with her dog, matching his collars to her necklaces on some occasions.
Ryan Reynolds walks his adopted dog Baxter in the Boston Public Garden. Reynolds rescued the golden retriever from a Houston animal shelter during a road trip through Texas.
Katherine Heigl picks up her dog Flora from the vet in Sherman Oaks, Calif. The shepherd mix is part of a much larger brood of animals in the home she shares with husband, Josh Kelley. Heigl adopted Flora with another shepherd mix puppy from the Coastal German Shepherd Rescue in 2011.
Stephen Moyer throws a tennis ball around with his Louisiana Catahoula leopard dog Banjo (right) at a local dog park near Venice Beach, Calif. The "True Blood" star also has a dog named Splash.
Katharine McPhee with her two dogs, Larry and Nena, on the set of "Smash" in New York City. McPhee's polite Chihuahuas were a hit around set and the actress told PEOPLE she was surprised they "would become so famous!"
Supermodel Alessandra Ambrosio carries her teacup Maltese, Lola, as she arrives to have lunch at The Ivy in Los Angeles. Ambrosio was on the receiving end of some hot water from PETA after they learned that she dyed her puppy's fur pink and purple.
Amanda Seyfried shops at Hermes with her Australian shepherd, Finn, in Los Angeles, Calif. "I'm obsessed with my dog," she told PEOPLE in 2010. "He's become my light source and kind of a savior to a lot of people, a lot of my friends."
Jake Gyllenhaal walks with his German shepherd, Atticus, in Los Angeles. The movie star named his two dogs after characters in his favorite book, "To Kill a Mockingbird." His other pooch is a puggle named Boo Radley.
Anne Hathaway and fiance Adam Shulman have a romantic stroll while walking their chocolate Labrador Esmeralda. "I'm totally wrapped around her finger," she told Newsweek in 2008. Hathaway got custody of the dog when her former flame, Raffaello Follieri, went to prison that year for fraud.
Justin Bieber holds his baby albino boa constrictor, Johnson, as he arrives at the 2011 MTV Video Music Awards on August 28 at the Nokia Theater in downtown Los Angeles. Bieber auctioned off the tiny snake after the event, and it now resides at the Rad Zoo in Owatonna, Minn.
Actor Bradley Cooper takes his rescued chow-retriever mix, Charlotte, for a walk in Tribeca, New York. The star has a large portrait of his deceased pooch, a short hair Pointer named Samson, hanging up in his home.
Claire Danes walks her schnoodle, Weegee, in the Soho neighborhood of New York City. Danes brought her petite pooch down to Charlotte, N.C. for the filming of her show, "Homeland."
Hilary Duff plays with a friend at a park in Beverly Hills, Calif. The actress, a new mom and avid dog lover, has five precious pups.
Hilary Swank arrives at JFK Airport in New York, N.Y., with her two rescued dogs, a golden retriever mix named Rumi and a mutt called Kai. "I actually feel like my dogs rescued me," the Oscar-winning actress told Oprah magazine.
Actor Hugh Jackman walks his French bulldog Dali in Greenwich Village in March, 2011 in New York City. The actor's son named the dog after his favorite artist, Salvador Dali. The pampered pooch travels everywhere with the family, and even flew first class to Canada.
Zach Braff walks his French bulldog pup, Scooter, in the Union Square neighborhood of Manhattan. The actor has another dog, a mutt named Roscoe.
Jane Lynch and her wife, Lara Embry, walk with their Lhasa apso named Olivia in West Hollywood, Calif. The "Glee" actress named the little dog after one of her childhood idols, Olivia Newton-John.
Nicole 'Snooki' Polizzi relaxes on the couch with her teacup Pomeranian, Gia, in August 2012. The reality TV star has posted photos of her beloved pet in wild costumes on Twitter.
January Jones takes off her shoes and goes barefoot to walk her Yorkie poodle, Max, with baby Xander in Los Feliz, Calif. The shaggy dog has appeared in photo shoots with the "Mad Men" actress.
Jenni "JWoww" Farley walks her dogs Bella and Joell home from K9dergarten Dog Day Care on location for "Snooki and JWoww vs. the World" in March, 2012 in Jersey City, New Jersey. The pups have often accompanied her throughout filming.
Ryan Lochte tweets a photo of himself lying around with his Doberman, Carter. "He's a big baby," the Olympic swimmer told the AP. "He likes action movies."
Model and television personality Holly Madison holds her ferret, Nancy, at her home in November, 2011 in Las Vegas, Nevada. Nancy lives with a male ferret in an air-conditioned animal habitat outdoors.
Christina Ricci carries her half Dachshund and half Chihuahua dog, Karen, as she signed autographs after finishing a performance of "A Midsummer Night's Dream" in New York City. Ricci named her dog after one of her favorite musicians, Karen Carpenter.
"[The dog] has brown hair and big watery eyes; she's beautiful. I almost named her Natalie because Natalie Wood is my other favorite famous person," the actress told Broadway.com in 2010.
First lady Michelle Obama poses with Bo, the Obama family dog, in the White House Kitchen Garden on September 14, 2011. According to the White House's baseball card for Bo, the Portuguese water dog's favorite food is a tomato.
Miley Cyrus walks her miniature Alaskan husky, Floyd, in Los Angeles, Calif. in April, 2012. The singer-actress has rescued 5 pups with boyfriend Liam Hemsworth.
Olivia Wilde hikes with her rescue dog Paco in Griffith Park in Los Feliz, Calif. The actress found her pet pup at Much Love Animal Rescue, where she learned he was found in the back of a U-Haul truck and hadn't eaten for a week.
Kelly Osbourne and boyfriend Matthew Mosshart hold hands in NYC. The super cute couple were spotted taking dogs for a walk. Osbourne, who lost her Pomeranian Noodles last year, recently adopted another Pomeranian named Story.
Selena Gomez holds her new puppy Bailer in London, Ontario before a concert. She adopted the husky-mix from an animal rescue center with Justin Bieber in Winnipeg.
Ian Somerhalder with his cat Moke in a Twitter photo he is using as his profile picture. The eco-friendly actor, who has a thing for cats, has opened his doors to several rescued felines.
Ryan Gosling walks his dog, George, in New York City. The actor brought the mutt to a Jimmy Fallon interview last year sporting a mohawk.