But some dogs seem to have the uncanny ability to smile just like a person!
Whether it’s a reflection of the #selfie culture or just another way pet dogs are becoming eerily more like humans every day, it’s hard to tell.
At the very least, we humans reap the rewards in the form of enjoying these adorable cheese teeth portraits.
Are you ready? Say “cheese!”
This glorious Miss Piggy smile impersonation
Boo and Cookie Monster
Shh! Sweet dreams in progress. More wonderful Boo here.
French Bulldogs. (All of them.)
French bulldogs have two facial expressions: Noble and majestic, or ridiculously happy—there’s no in-between. More Frenchie smiles here.
And finally, this Weimaraner
The most famous smiling dog on the internet has a serious case of cheese teeth. His identity remains a mystery to this day, but his smile warms our hearts forever.