One commenter said the Chihuahua's joyful expression made their "heart cry happy tears" because she looks so grateful to be loved.

Just one look at a happy dog can turn the cloudiest day into pure sunshine—there’s something irresistible about the way dogs express joy through playful energy and cute dog behaviors. From floppy ...

If you are a dog parent, you've likely noticed your dog smile. Or at least give that goofy look where they open up their mouth and the corners of the mouth raise into what looks like a smile. And it ...