Amanda Seyfried shares her thoughts on a potential Mamma Mia! 3 movie, shows off her dulcimer skills and talks about starring in Long Bright River on Peacock. The Tonight Show Starring Jimmy Fallon. Stream now on Peacock: https://bit.ly/3gZJaNy Subscribe NOW to The Tonight Show Starring Jimmy Fallon: http://bit.ly/1nwT1aN Watch The Tonight Show Starring Jimmy Fallon Weeknights 11:35ET/10:35c Get more The Tonigh…
