The pair first started dating back in the autumn of 2008, tying the knot in Como, Italy two years later.
Blunt's first pregnancy followed in 2013, with their first daughter Hazel arriving just two days after Valentine's Day in 2014.
That has really been one of the best parts of this whole thing; some vindication of good storytelling.
From the very first movie I did, people were saying, ‘Small movies are dead.
LOS ANGELES, CA - JANUARY 15: Actors John Krasinski (L) and Emily Blunt attend the 20th annual Critics' Choice Movie Awards at the Hollywood Palladium on January 15, 2015 in Los Angeles, California.