Carla Gugino was 16 in Troop Beverly Hills when she played the character 'Chica Barnfell'.
That was over 35 years ago in 1989.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 52, and has starred in 68 movies in total, 66 of those since Troop Beverly Hills was released.
In Troop Beverly Hills, I think Carla Gugino looks: