Poppy Montgomery was 21 in Tammy and the T-Rex when she played the character 'Party Girl #1'.
That was over 29 years ago in 1994.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 51, and has starred in 20 movies in total, 19 of those since Tammy and the T-Rex was released.
In Tammy and the T-Rex, I think Poppy Montgomery looks: