Esteemed rap artist Nelly will once again perform at the Delaware State Fair, event organizers announced Tuesday. “Diamond-selling, multi-platinum, Grammy award-winning rap superstar, entrepreneur, philanthropist, and actor, Nelly, has continually raised the bar for the entertainment industry since stepping on the scene in 2000 with his distinctive vocals and larger-than-life personality,” the State Fair said in a news release. Nelly …