Amanda Crew was 18 in Final Destination 3 when she played the character 'Julie Christensen'.
That was over 17 years ago in 2006.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 37, and has starred in 37 movies in total, 34 of those since Final Destination 3 was released.
In Final Destination 3, I think Amanda Crew looks: