Over the past year Tard, aka the Grumpy Cat, has become an Internet sensation. For some reason people, just can't get enough of this frowning feline and the ridiculous memes that go along with her photos. 

There have a been a lot of haters and a lot of posers, but there is only one grumpy cat, and here are her fifty funniest memes. To Tard and all the other grumpy cats out there, we thank you for your constant entertainment; this feature is in your honor. 

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