Mel Gibson's daughter with ex Oksana Grigorieva is 12 — see her now — plus more celebs' kids as teens and tweens

California, on Oct. 31, 2011. Keep reading to see Lucia out and about with her dad in June 2022... Then keep reading to see more celebs' kids young vs. as tweens and teens... Mel Gibson stepped out in Malibu with daughter Lucia -- who was 12 at the time ...