The Traitors III finale is tonight on BBC1, starting at 8.30pm, when we will find out who has won the money and the glory, whether Faithful or Traitor. But a surefire and standout winner of the series has been Claudia Winkleman’s swoon-worthy wardrobe, with the host slaying it in style at Ardross Castle – mixing knits, kilts, tailoring and black lace gowns.