Katherine Schwarzenegger
After adopting her dog Maverick, the animal advocate teamed up with BISSELL to launch the new CrossWave X7 Pet Pro Wet Dry Vac, which helps clean up all pet messes.
Jamie Chung
The Once Upon a Time actress receives a sweet smooch from Ewok, who she rescued from Saving Spot! Dog Rescue in 2015.
Robin Roberts & Amber Laign
The Good Morning America co-host and longtime partner went to the largest no-kill animal rescue and adoption organization in the world to rescue Lukas, a Tibetan spaniel-papillon mix.
Jon Hamm
Find us a tight knit bond, and we raise you the Mad Men star and his beloved rescue Cora.
Anne Hathaway
Before welcoming a child of their own, the Oscar winner and her husband Adam Shulman brought terrier mix Kenobi into their brood.
Bella Thorne
"I just can't help myself when I see a furry friend who needs a home and feel I need to take them in," the gorgeous gal dished to E! News. "At one point I had six cats! That was a lot of cat litter!"
George Clooney & Amal Clooney
The couple adopted 4-year-old basset hound Millie from the San Valley Gabriel Humane Society in California. George and Amal brought along one of their two rescued cocker spaniels to help welcome Millie to the family.
Kevin Spacey
In honor of the tragic Boston Marathon bombings in 2013, the House of Cards actor named his adopted pooch after Beantown.
Katharine McPhee
The Scorpion star adopted this teeny-tiny terrier mix puppy from Saving Spot! Dog Rescue in Los Angeles.
Kellan Lutz
"I am an animal lover, and for me, there was no other choice than adoption," the Extraction hunk told E! News. "Kola was the perfect addition to my life and knowing I saved her life was its own reward and more than I could have ever expected. The love you receive from a rescue animal is like no other love."
Hilary Swank
When she's not starring in Hollywood blockbusters, the actress is advocating for causes benefiting pet shelters.
Amanda Seyfried
After adopting Finn back in 2009, the actress became an outspoken advocate for homeless pets.
Krysten Ritter
"I adopted Mikey because he was hit by a car and he was having a rough go. All he needed was a loving home," Marvel's Jessica Jones shared with E! News. "He's changed my life for the better by grounding me, keeping me company, making me laugh endlessly, and he's the most loving little companion I could ever ask for."
Andy Cohen
The Bravo mainstay and his rescue dog Wacha even star in a The More You Know PSA together!
Miranda Lambert
The country singer's friend found this cute kitten on the side of a highway in Arkansas, and Miranda couldn't resist taking it home.
Tom Hardy
Talk about puppy love! The Legend actor even brought his adopted pooch Woodstock to a film after-party in London.
Kendall Jenner
The E! reality star and supermodel adopted her adorable pup from humane pet shop Bark n' Bitches in Los Angeles.
Kaley Cuoco
The Big Bang Theory loves her rescued pit bull Norman so much, they lick from the same spoon!
Liam Hemsworth
The Hunger Games star calls rescue dog Tani his "#TrueLove." Before reconciling with fiancé Miley Cyrus, Hemsworth enlisted his then-ex for help adopting another precious pooch.
Lindsey Vonn
When an injury forced the skiier to pull out of the 2014 Winter Olympics, she adopted a dog with a bum knee who she named Leo!
Ed Sheeran
In 2014, the singer adopted a 1-month-old kitten he named Graham. (Yes, our hearts are melting!)
Ian Somerhalder
When the Vampire Diaries hunk adopted Nietzsche, he didn't know she was pregnant! Ever the committed man, though, the self-proclaimed animal lover helped deliver her puppies.
Eva Mendes
This actress is so protective of Hugo, she'd even like paparazzi protection for her precious pup!
Jake Gyllenhaal
The Love and Other Drugs actor adopted his four-legged friend Atticus from a Los Angeles shelter. They've been inseparable ever since!