That's a large part of why these smiling dog memes are so effective. The other part? They're just out-and-out funny. We ...

In an Instagram video shared by @greythedalmatian_, the Dalmatian dog’s happiness is on full display as he attempts to “smile” while playing a game of hide-and-seek with his owner.

With selfies dominating social media, even our pets are getting in on the action. In a viral video, Django, an adorable dog with a big personality, tries his best to flash a picture-perfect smile for ...