Funny Blonde Joke

A blonde female cop pulls over another female blonde.The cop say "Can i have you're license mam?". The blonde looks in her purse for 2 minutes and gets mad and says " What does it look like?"
The cop says "Its square with you're face on it.". The blonde keeps looking. She finds a square mirror and looks in it, and her reflection is there. She hands it to the cop.The cop looks and says "Oh i didn't realize you were a cop.".