Maggie Lawson was 16 in I've Been Waiting for You when she played the character 'Debbie Murdock'.
That was over 26 years ago in 1998.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 43, and has starred in 26 movies in total, 25 of those since I've Been Waiting for You was released.
In I've Been Waiting for You, I think Maggie Lawson looks: