By Caroline Gaspich & Natalie Hunter Priscilla Presley and Riley Keough’s legal feud seems to be water under the bridge as the glamorous duo stepped out in matching all-black Chanel outfits for the Primetime Emmy Awards together. Monday evening, Daisy Jones & The Six star Riley made a bold statement as she brought her grandmother Priscilla as her stylish date for the 75th annual award show. The iconic pair looked breathtaking together as they rocked matching sleek black ensembles for the special occasion. In the snaps, the pair seemed to be in high spirits as they wrapped their arms around eac…