S.B film techniques - appearance

Question 1

Norma’s delusion that she is ageless and is still as young and beautiful as she was at the prime of her career:
costume

Answer 1

She is trying to be stylish but is years out of date.
Norma dresses more and more like her silent film self towards the ending of the movie

Question 2

OBSESSED WITH HER APPEARANCE:
Mirror Symbol:

Answer 2

Before going in to confront Joe packing to leave –
Makes sure she looks good before entering

Boosts Norma’s ego
Self obsession
Always camera-ready
No self-worth – appearance