Jason Derulo got trolled by a couple of clowns at the Aria Hotel in Vegas and he actually knocked one of them out! Watch the video as these two dudes are fully trolling him and are upset that he is ignoring them. After hearing one of them yell out "Hey Usher, F-You B**ch!" Jason lost it and started throwing punches. Both guys were injured but are not currently pressing charges. Check out the video here: