Matt Damon is a proud girl dad to his four daughters with wife Luciana Barroso. "I used to be a real [believer] in that nature-nature argument, but I'm now on, like, nature [is] a thing," Damon said on the "New Heights" podcast in January 2026. "Your kids show up [with] that spirit, that soul is there and it's going to do what it's going to do." He continued, "The nurture part is very important, you're going to be helping with that but they really are who they are, like, right away. As they grow older, you still see in their infant phrase, you still see [them] as their [young selves].