AAF-Knoxville, the local advertising organization of the American Advertising Federation (AAF), will hold its 51st Annual Gala to recognize the annual Robert McCabe Silver Medal award winner and Hall of Fame honorees. The gala theme is “The Addy Strikes Back,” so attire is black tie and/or “Star Wars” costume. Dino Cartwright of WVLT will serve as event host. A reception begins at 6 p.m. followed by a plated dinner at 7 p.m..