Machine Gun Kelly has responded to a fan who criticised him for attending a Black Lives Matter protest.MGK is one of a number of entertainers who has taken to the streets to protest the death of George Floyd, an African American man who was killed when a white police officer knelt on his neck as he lay on the ground during an arrest.Halsey, John Cusack, and Kanye West are just a few of the names who have been spotted taking part in protests.Last month, he said he was “ashamed someone who looks