Country superstar Chris Stapleton marched in the army of the dead on Sunday's Game of Thrones
Game of Thrones showrunners David Benioff and D.B. Weiss love to let their pals come to Westeros and get the shit kicked out of them. We saw this just a couple weeks ago, when Martin Starr and Rob McElhenney got the chance to eat some arrows as Ironborn sailors. There’s also the scraggly musicians that nobody noticed,…