If you have ever watched The Ellen DeGeneres Show you know she loves to prank people. I love me some Ellen because she is a practical joker and will get just about any celebrity in on the fun!

Well yesterday that celeb was Bruno Mars. Ellen had Bruno prank a nurse, who for some crazy reason, had no clue who he was? Bruno had an earpiece in his ear and repeated everything that Ellen told him in his ear to this nurse. Check out the video, Bruno did a great job although he almost 'lost it' a couple of times:

 

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