Katherine McNamara was 18 in Maze Runner: The Scorch Trials when she played the character 'Sonya'.
That was over 9 years ago in 2015.
Today she is 28, and has starred in 28 movies in total, 14 of those since Maze Runner: The Scorch Trials was released.
In Maze Runner: The Scorch Trials, I think Katherine McNamara looks: