This may be hard to believe, but Theo James is turning 35 years old on Monday, December 16! The actor was 30 when he was introduced to the world as the fan favorite character Four in the movie Divergent, which means it’s been five years since the dystopian film series first premiered.

For those who forgot, the film — based on the book series of the same name by Veronica Roth — follows a teen girl who leaves her family behind to join another one of the five factions in a post-apocalyptic society. Other than Theo, the series also starred Shailene Woodley, Jai Courtney, Miles Teller, Tony Goldwyn, Maggie Q and Ansel Elgort.

But what has the cast been up to since then? Well, J-14 did some investigating and turns out they’ve all stayed in the spotlight, went on to have super successful acting careers and have grown up so much!

Love J-14? Be sure to subscribe to our YouTube channel for fun, exclusive videos with your favorite stars.