I might be wrong, but is this about how everyone once in a while disguise ourselves behind masks when we are out on social situations? If it is, i find very interesting the idea of a very shiny and pretty armor, but that in the end is just another mask!
I love the whole content in this work how she hidden because of the lights. I truly love the asymmetry balance on her mask and the dress, I find it very eye catching yet have some bizarre to them by the design on the mask/dress as well. The shading on her skin are very smooth that it shows the detail on her neck, collarbone, and around her face as well. Also, I love how you have a great balance of have that glow effects on her hair yet still could see the details and the background are just simply colorful without been too much which I like.
All in all this painting is very beautiful, keep up the magnificent work.