One cat has plenty to be happy about today, although you’d never know it from the look on her face. Tardar Sauce (“Tard” for short), who is better known online as Grumpy Cat, celebrated her ...

There was a little bit of a silver lining though when Grumpy dished on her special birthday contest, adding, "Instead, show me your cat's best Grumpy face by uploading a pic to Instagram using ...

Watch out world, Grumpy Cat has hit her terrible twos. The top dog in internet cat stardom, known for her downward smile and bugged-out baby blues, spent her birthday ... are happy that it kind ...

"Grumpy Cat," the Internet's unhappiest feline, celebrated her birthday with a private party yesterday in New York City, where one Jersey City cat advocate was a special guest. Kayt Hester ...