The Tonight Show Starring Jimmy Fallon

Jessica Chastain talks about hanging out in Nashville with T Bone Burnett, living in the same apartment Leonard Bernstein wrote West Side Story in and sneaking into church every Sunday with Andrew Garfield while filming The Eyes of Tammy Faye. Also discusses the lengthy process behind transforming into Tammy Faye and reveals how she and Andrew Garfield nailed their Minnesotan accents.