With women, there's a basic female instinct of caring deeply about the way they look; women stars have a narcissist complex.
I have yet to see one completely unspoiled star, except for the animals-like Lassie.
Some people need sequins, others don't.
There's no such thing as a standard size movie star, or woman for that matter.
Many women dress for men before marriage, and for women after marriage.
A dress should be tight enough to show you're a woman and loose enough to prove you're a lady.