Reign Sneak Peek: Mary's Royal Wedding Dress Revealed -- But Who's the Groom?

Here comes the bride… and Amy Brenneman! RELATED | Reign Stars Dish About Clarissa’s Revenge, Bash’s Aspirations and Wetsuit (?) Woes The former Private Private practice star joins the cast of Reign this Thursday as Mary’s mother, Marie de Guise, and she’s arriving at court for a very special […]