After a charged premiere at the Venice Film Festival, Pablo Larraín’s Spencer has become one of this season’s hottest contenders. A haunting study of one particular Christmas at Sandringham for Diana, Princess of Wales, as her marriage falters and the Royal fairytale turns grim, Spencer features a landmark performance by Kristen Stewart that has catapulted her to the top of the Best Actress race. Joe Utichi meets Larraín and Stewart to dig deep into the production.