Jurnee Smollett talks about her 8-year-old son trying to get a six-pack like The Rock, her crime thriller series Smoke and gaining 20 pounds of muscle for her role in the series. 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 Tonight Show Starring Jimmy Fallon: https://www.nbc.com/the-tonight-