Julianna Guill was 20 in 2 Dudes and a Dream when she played the character 'Stacy'.
That was over 15 years ago in 2009.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 36, and has starred in 26 movies in total, 25 of those since 2 Dudes and a Dream was released.
In 2 Dudes and a Dream, I think Julianna Guill looks: