You are using an older browser version. Please use a supported version for the best MSN experience.

Jimmy Fallon Dishes on New Children’s Book and Justin Timberlake’s New Baby! (Exclusive)

ET spoke with the 'Tonight Show' host about his new children's book and pal Justin Timberlake's new baby!

UP NEXT

UP NEXT

More From ETonline

More From ETonline

image beaconimage beaconimage beacon