If you have been a fan of Grumpy Cat, and all of the internet posts, memes, and descriptions involving Grumpy Cat, this is a sad day.  Grumpy Cat has passed away at the ripe old age of just 7 years old.

grumpy cat/Facebook

I don't think any cat has ever been as famous, or maybe even infamous as Grumpy Cat.  A case could be made that you shouldn't be grumpy.  It's bad for you.  But really, this was just the cats expression.  She made so many people smile all over the world with her "grumpiness".

So, we say Good-Bye to Grumpy Cat. May she rest in peace surrounded by all the other cats that have gone before her... and be the Queen of the "Grumpy Cats".