Julia Garner was 17 in The Perks of Being a Wallflower when she played the character 'Susan'.
That was over 12 years ago in 2012.
Today she is 30, and has starred in 25 movies in total, 14 of those since The Perks of Being a Wallflower was released.
In The Perks of Being a Wallflower, I think Julia Garner looks: