Patrick Schwarzenegger was 21 in Scouts Guide to the Zombie Apocalypse when he played the character 'Jeff'.
That was over 9 years ago in 2015.
Today he is 30, and has starred in 13 movies in total, 9 of those since Scouts Guide to the Zombie Apocalypse was released.
In Scouts Guide to the Zombie Apocalypse, I think Patrick Schwarzenegger looks: