That was over 6 years ago in 2015.
Today she is 24, and has starred in 23 movies in total, 8 since Barely Lethal was released.
In Barely Lethal, I think Hailee Steinfeld looks:
Barely Lethal scores 5.6 out of 10 on The Movie Database.
Hailee Steinfeld's first acting role was as 'Talia Alden' in She's a Fox, released in 2009 when she was 12.