Tucker is the Oscar winner's fourth rescue! Talk about dedication to a worthy cause.
While filming The Girl in the Park in Moscow, the actress discovered, and subsequently fell in love with, Lila.
The Drinking Buddies actress rescued her dog, Paco, from Much Love Animal Rescue near Los Angeles.
While she was dating Justin Bieber, the "Come and Get It" singer decided to adopt a puppy named Baylor. Too cute!
We just found another reason to love the hunky actor: He adopted his shaggy dog George from a Los Angeles shelter.
The star's three-legged rescue dog once walked onstage at Broadway's Walter Kerr Theater... Someone missed his owner a little too much.
As he filmed The Kingdom of Heaven, the actor found his own angel after adopting a black Saluki mix named Sidi.
The Blind Side Oscar winner's rescued clan includes Poppy, a tripod, and Ruby, a two-legged Chihuahua.
Sometimes, one just isn't enough! The New Girl actress decided to rescue two dogs in 2013.
"I just fell in love with him," the actor recalled when first meeting his rescue dog named Baxter.
Over the years, the Hart of Dixie star has taken in animals from several rescue centers in Southern California.
Look what happens when you go to an animal shelter just to look—you come home with an adorable dog like Fitz.
Someone needs a little gym-tan-puppy love. The Jersey Shore star welcomed home an adorable pit bull named Tita in 2013.
She may not be able to twerk, however the "We Can't Stop" singer's adorable puppy (one of many) sure is cute.
Wherever she goes, The O.C. alum's pooch Charlie stays close by.
When not volunteering at the Lange Foundation in Los Angeles, the Legally Blonde actress spends time with her friend Wink.
While filming the thriller Dead in Tombstone, the actor decided to adopt a stray dog found on set.
NEXT GALLERY: Dogs on Twitter