Some people might suggest that National Pet Day is just another fake phenomenon cooked up to sell greeting cards and blood diamonds. But here in Hollywood, where no such cynicism exists, the famous and fabulous rushed to social media Tuesday to pay tribute to their beloved animal companions. Read on to see how Tinsel Town honored its loyal furry pals.
"Avengers" star Mark Ruffalo posted a super tribute to his furry friends, declaring that, in his household, every day is National Pet Day.
Disney-Pixar offered a positively "Up"-lifting message for the day.
"Scandal" star Tony Goldwyn took time for a moment of somber reflection as he remembered his departed pooch Sandy.
"90210" alum Trevor Donovan also took a poignant paws -- uh, pause -- on this very special day.
"The Secret Life of Pets" obviously made no secret of how it felt about the day.
The gang from "It's Always Sunny in Philadelphia" resurrected the idea of kitten mittens -- which they really need to bring to the "Shark Tank" people -- for National Pet Day.
"Once Upon a Time" actress Lana Parrilla pulled off a National Pet Day miracle by proving that cats and dogs can, in fact, get along.
Disney put in a heroic effort for National Pet Day, courtesy of Baymax.
"Beauty and the Beast" star Luke Evans chipped in with a tribute to his four-legged beauty Charlie.
The folks from "Trailer Park Boys" implored the public to honor their pets on this special day, even if your pet is "a wrangly old mutt that looks like a hotdog with hair on it."