Sunday evening, the United Negro College Fund event in Atlanta brought out some of the greatest celebrities in their finest fashions. The cast of Empire (Trai Byers, Grace Gealey – whom were rumored to be dating – and Jussie Smollett) were spotted at the event as well as Ludacris, K. Michelle and Big Sean, who performed “One Man Can Change The World“. Everyone looked great, but the one to steal the show was …