Margot Robbie and Saoirse Ronan battle it out for power in the first trailer for Mary Queen of Scots.
The highly anticipated film follows the lives of Queen Mary of Scotland (Ronan) and Queen Elizabeth 1 (Robbie) in the mid-1500s.
As Mary returns to Scotland to claim her throne, her presence threatens her cousin Elizabeth's sovereignty, as Scotland and England fall under her rule.
Mary, Queen of Scots hits cinemas in January 2019.
Check out the trailer below: