Jenette Goldstein was 25 in Aliens when she played the character 'Pvt. Jenette Vasquez'.
That was over 38 years ago in 1986.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 64, and has starred in 23 movies in total, 22 of those since Aliens was released.
In Aliens, I think Jenette Goldstein looks: