Addison Timlin was 13 in Derailed when she played the character 'Amy Schine'.
That was over 18 years ago in 2005.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 32, and has starred in 24 movies in total, 23 of those since Derailed was released.
In Derailed, I think Addison Timlin looks: