Canadian singer Avril Lavigne leaves little to the imagination wearing a see-through top as she and boyfriend Mod Sun arrive at a friend's house in Calabasas, CA. with Avril's dog on July 14, 2021. (Photo by Backgrid USA)

A 2 year old cattle dog emerges from the water after retrieving a ball during the 2nd Annual Rio Grande Doggy Paddle held at the Rio Grande Pool, Albuquerque, New Mexico, USA on September 12, 2021. (Photo by Adolphe Pierre-Louis/Albuquerque Journal via ZUMA/Rex Features/Shutterstock)

Dogs and their owners wearing all types of colorful costumes participate in the Elizabeth Street Garden Halloween Pet Parade on November 4, 2023 in New York City. The parade was posponed from October dur to bad weather. (Photo by Andrew Schwartz/Splash News and Pictures)

Dancers perform during the annual Tartan Day Parade along Sixth Avenue on April 15, 2023 in New York City. Celebrating its 25th Anniversary, the New York City Tartan Day Parade featured many Scottish clans, Pipers, Dancers and Scottish dogs. (Photo by Andrew Schwartz/SIPA Images/Rex Features/Shutterstock)

Rascal, and her brother Petey, were abandoned as pups near the railroad tracks in Union County, Arkansas. She is a pit bull cross and approximately 6 months old, in Arkansas, United States. These canine portraits will make any dog lover's day – and they're helping to get sheltered pups adopted at the same time. Kind-hearted photographer Tammy Swarek came up with the idea of dressing up rescue dogs to draw attention to their stories and help potential owners personally connect with them. (Photo by Tammy Swarek/Barcroft Images)

Stuff On Scout's Head is a Tumblr which does what it says on the tin. Scout's owner – for Scout is a dog – puts stuff on Scout's head. And then photographs him.

Maddie The Coonhound a fun side project of photographer Theron Humphrey as he travels across America shooting portraits and telling the stories of everyday people for his project, This Wild Idea. In between he takes pictures of his dog – Maddie The Coonhound – that seems to enjoy being a model.

Seth Casteel is an award-winning photographer and the New York Times Best Selling Author of Underwater Dogs. His new book, Underwater Puppies, was published September 16, 2014. Photo: “Underwater Puppies”: Popcicle. (Photo by Seth Casteel)