She didn't sign on to be 25 year old hot for the rest of her life! And good on her for not trying and looking like the Joker aka Callista Gingrich - or Dolly Parton.
Her commentary on Episode VI was hilarious -- something along the lines of "George told me I would be in an iron bikini and there could not be a single line showing" (=dieting) and "Hey, Luke! Here I am in an iron bikini!"
I guess I was unkind to Miss Fisher.
We all grow old. I have pictures of me when I could look straight down and see my shoes without leaning. They were taken with daguerreotype...
Here is her picture from IMDB -- a lot fairer: