These dogs are sure to put a smile on your face with their toothy grins and excited expressions.

After a photo of a smiling dog went viral, other dog owners have been inspired to share snaps of their happy looking pooches.

The picture of a jolly looking dog named Logan, believed to be a Golden Retriever, was sent into the Today show weekend edition with the caption 'Here's the happiest dog we've ever seen!' and has since been liked over 5,000 times.

Happy: Dog owners have shared pictures of their happy dogs after this photo of Logan went viral

Adorably silly: A Burmese Mountain Dog named Humphrey lying on his back was photographed by his owner with his tongue out the side

Cheese: This cute little poodle shows off his toothy grin in a photo taken by his owner

This encouraged other dog owners to share images of their canine pals showing off their big smiles.

One owner shared a picture of their adorably goofy Burmese Mountain Dog called Humphrey lying on his back with his tongue sticking out the side.

Another owner shared a picture of their little black poodle lying back and showing off its toothy grin.

Pearly whites: The owner of this dog, Shona Minty, says that he's pretty happy too!'

Smile: This dog owner has photographed the cheerful toothy smile on their dog's face

Happy puppy: Hudson the cute poodle with chocolate coloured fur photographed smiling in his little bow tie

A Facebook user posted a picture of her furry dog's pearly whites along with a comment comparing her dog's smile to Logan's, saying: 'Oh I don't know, my boys smile might be bigger.'

A picture of Labrador Miss Rosie lying on her back with her pointy ears flapped back was posted by her owner who said the she was 'pretty happy too!'

The owner of Hudson, an adorable chocolate-coloured poodle, shared a picture of him smiling in a cute little green bow tie.

Double chin grin: A man has captured the moment his mate's parent's adorable pooch had a very happy expression on his face

Sly smile: The jolly canine pictured by his owner shows off his happy expression

Open wide smile: This Pitbull hanging by the side of the window with a big happy smile

Two different dogs have been photographed lying down with a funny smile and a cute double chin by their respective owners.

While a Pitbull was pictured leaning up on the windowsill with its eyes closed and a wide open-mouth smile.