One of this year's biggest breakout stars \u2014 she won Golden Globe and SAG awards for her portrayal of young Queen Elizabeth II in the most expensive TV series ever made (Netflix allocated $100 million for its first two seasons) \u2014 reflects on auditioning while pregnant, playing a woman famous for hiding her emotions and growing as an actress.\nLearn more about your ad choices. Visit megaphone.fm/adchoices