Magnificent in monochrome.
I'll spare you the typical "I'd like to spend several nights with your model" bit and make an outdated observation. A lesson from Nagel: You can add to the emotional weight of a monochrome by giving one color to one element of the composition. Make the eyes brilliant, or paint the lips with deep hues, or add a sparkling gold earring.
Don't overdo it - just pick one. Leave the rest in this awesome study in black and white. That one splash of color in an otherwise greytone study would make this piece even more eye-catching and infinitely more marketable.
One artist to another.