14 reasons to consider a rescue dog -- like George Clooney and Amal did

Three became four, yesterday as George Clooney and Amal brought home Millie, a bassett hound from the San Gabriel Valley Humane Society.

Not the first celebrity couple to advocate for animal adoption, we’ve rounded up some of the cutest furry friends rescued by Hollywood stars.

Click through the gallery above to get a cuteness overload::