Reign returns to the CW tonight with Mary and Francis on the throne of a nation burning. Back in the real world, Aussie actress Adelaide Kane (who plays Mary, Queen of Scots) has less complicated matters to worry about: fulfilling an exclusive assignment for us at Glamour to capture all of those regal behind-the-scenes moments. Cats and croissants included. "Queenie in the courtyard!" "The King's favorite reading spot..." "So...Much...Makeup!" "The main reason I'm late for set...Ranma the…
