Denise Richards was 20 in National Lampoon's Loaded Weapon 1 when she played the character 'Cindy'.
That was over 31 years ago in 1993.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 53, and has starred in 67 movies in total, 64 of those since National Lampoon's Loaded Weapon 1 was released.
In National Lampoon's Loaded Weapon 1, I think Denise Richards looks: