Not everyone can be "on" all the time – including your favorite celebrities. From pop superstars to A-list actors, we all have bad days.

But some celebs appear to be stuck in that "bad day" mode permanently. For one reason or another, they've been labeled condescending, testy, or just plain rude to fans and colleagues.

Whether they're just going through it or their people skills simply need work isn't totally clear. Below, we've compiled 25 celebrities you may be surprised to learn have been allegedly rude to fans — or even their industry peers.

Bad day or bad attitude? That's up to you to decide.

Celebrities Who Are Supposedly Rude to Fans

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