Ellen teamed up with her guest Bruno Mars to pull a hilarious prank on a sweet nurse. Ellen hired a nurse to administer a quick medical check up on Bruno while he was in his dressing room.

What the nurse didn’t know was that Bruno was wearing an ear piece connected to Ellen’s mic. Whatever Ellen told him to say or do in the company of the nurse, no matter how ridiculous, he obliged. it makes for some very funny video.

Check it out below!