Katy Perry's kitty Monkey is 3 and is celebrating her new age with some heavy duty cat nip!
But don't take our word for it!
Here's what Katy tweeted about the momentous occasion:
"Today is my cat, monkey's 3rd birthday. That's 21 in cat years. Crunk on cat nip."
Don't let Monkey get too wild, or the kitty may end up passed out in the bathroom because of too much cat nip!
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[Image via Twitter.]