Adelaide Kane Spills 5 Things About 'Reign' Season 4 That You Need To Know

Adelaide Kane returns to the small screen as Mary, Queen of Scots tonight on Reign.

Ahead of the premiere, the actress spoke to Entertainment Weekly about the upcoming and final season, sharing five things you absolutely need to know about the episodes ahead — especially concerning Mary.

Adelaide dished about her ladies in waiting (which is down to one), the rivalry with Elizabeth, and more.

Click inside to see what she shared and stay tuned for a sneak peek at the episode!