Beyoncé, who has a history of backing Democratic candidates, will make an appearance at the rally in her hometown, three sources told NBC News. Pop superstar Beyoncé will perform at Kamala Harris' campaign rally in Houston on Friday, NBC News reports . Three sources told NBC News that Beyoncé will appear at the Friday rally in her hometown. One of the sources with direct knowledge of the preparations said the “Texas Hold ‘Em” singer will also perform. Country music legend Willie Nelson and