WATCH: Grumpy Cat Comes to the 'WWHL' Clubhouse!

See what happened when the frowning feline met Andy's pup Wacha.

And you thought the Housewives were bitchy!

On last night's Watch What Happens Live, Andy Cohen was joined by RHONY's Kristen Taekman, celebrity designer Nate Berkus, and perhaps his most cantankerous, ill-mannered, and surly guest ever: Grumpy Cat.

It just so happened that Andy's main squeeze Wacha was also on set and the host introduced his peppy pup to the frowning female feline. Let's just say Wacha may not have been so thrilled that Andy's affection had wandered elsewhere.

Check out the clip below and see the snap Andy shared of his boy and Grumpy on Wacha Cohen's Instagram. Might the two become BFFs? Eh...don't count on it—but at least it made for a memorable moment.

More about: Andy Cohen

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