Here are 5 times celebrities famous stars turning against their own fans, leaving everyone shocked. 1, Cardi B. After a fan hurled their drink at Cardi B, she responded by throwing her mic at the fan. The microphone later went up for auction. 2, Justin Bieber. After a fan reached into his car to touch his face, Bieber punched him in the face, leaving the fan bleeding. 3, Pitbull. Mr. Worldwide didn’t like it when a fan he invited up on the stage started showering him with bills. Pitbull didn’t take kindly to being compared to a stripper and punched his fan. 4, Britney Spears. In 2007, during her infamous public breakdown, Britney Spears attacked a fan’s car with an umbrella after she was pursued by paparazzi. 5, Kanye West. Known for his passionate personality, Kanye West lost his temper during a 2013 concert. A fan was repeatedly yelling derogatory remarks, so West retaliated by throwing his microphone into the crowd.