Commissioned Portrait of a Lady - Part VII

I've decided to have my subject seated after all. Here she is starting to take form. Because she is now sitting on the sofa, as opposed to standing in the forefront, her image is smaller, making her face no longer than an inch - like a miniature. It's so tricky to do miniature portraits - off by half a millimetre and it looks like nobody. This being said, I will adopt an impressionistic style, but it still has to look like my subject.

Elegantly dressed in black with long chain and pearl necklace, this photograph is my reference.

More touch ups are needed on the dress, but most of it is done.
Her facial features will be next, I need all my concentration for this.