Actress Gillian Anderson shares photos of her transforming into Margaret Thatcher

This combination of photos shows Gillian Anderson (right) portraying Margaret Thatcher in a scene from the fourth season of 'The Crown'. Photos: AP

Some viewers may wonder how American actress Gillian Anderson turned into former British prime minister Margaret Thatcher in the latest season of television series The Crown (2016 to present).

Anderson, 52, shared a series of photos on Instagram last Friday (Nov 20), which gave a glimpse of her transformation into the late leader, who was well-known for her bouffant hairdo.