All the women you have shown above are all symmetrical. They all have smooth skin, shiny hair, curved waists and symmetrical bodies.
There is a Darwin theory or evolution theory of some sort that talks about that these signals were more successful to reproduce during the evolution era. Hence till today they are still more desirable.
Here are some more examples:
Michelle Monique Reis (Miss HK 1988, actress, model)
Vivian Chow (actress, model, singer).