Kate Mara and Jamie Bell expecting their first child
According to the source, the star revealed her pregnancy news to Emily Blunt while both the ladies were waiting in a queue for the bathroom during the Star-Studded award show.
Moreover, the 35-year-old star is five month pregnant.
"I come from a really, really big family and I've had kids around me my entire life, Family is everything to me and I like being surrounded by lots of kids and family at all times." the star added.
The couple got engaged in January and got married in July 2017.