Jessica Biel reveals if her two sons Silas and Phineas think she or Justin Timberlake is cooler. The actress appeared on 'The Tonight Show with Jimmy Fallon' and spoke with longtime friend Fallon about her family.

Jessica Biel and Justin Timberlake have gone through a lot over the years as parents in the spotlight. While some celebrities love sharing their kids' lives with the world, they've been very good at maintaining their privacy, and as they get older, are doing what they can to communicate and make the right decisions about them in public.