Jessica Simpson was 19 in MTV Icon: Janet Jackson when she played an uncredited character.
That was over 23 years ago in 2001.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 43, and has starred in 11 movies in total, 11 of those since MTV Icon: Janet Jackson was released.
In MTV Icon: Janet Jackson, I think Jessica Simpson looks: