Dichen Lachman was 23 in Aquamarine when she played the character 'Beth-Ann'.
That was over 18 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 42, and has starred in 10 movies in total, 9 of those since Aquamarine was released.
In Aquamarine, I think Dichen Lachman looks: