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Right, see what I can do...

First of all, that hair looks gorgeous!

-Nose:
Sorry, can't help you here XP I've never learned how to properly draw a realistic nose. Well, highlighting it a little along the middle is supposed to help, but I'm not sure. Do you want it too look like the reference or more like Cleopatra?

-Hands:
Why, I think it looks good so far, just keep following the reference and you should be fine ^^ References are usually the hardest thing to get...

-Gold Jewlery:
Believe it or not, but it's actually very fun! I'm not sure what kind of light you are going to use in the picture, but usually when I do gold I cheat and use burn and dodge a lot. Burn, smudge, dodge, smudge, burn, smudge - and so on until I have shades from almost black to nearly white smile The more shade and highlight you add, the more the jewellery 'pops up' - just like everything else on a picture ^^

-Boots:
Not sure how to help you with them. I usually shade them like any other piece of clothing, depending on the material of course. What material are you thinking of? And from what period of time?? If you're aiming for actual ancient Egypt, then perhaps she shouldn't wear boots at all (I'm not sure, I haven't studied Egyptian footwear)

-Lower Body:
Those legs are sexy~~
There's just one thing that puzzles me, and that is the dress. It looks a bit like a swimsuit right now, so adding folds might be a good idea. The reference picture is a bit unclear on the knee and down bit, but as long as you remember the calves and where the foot starts you should be fine 3nodding

Good luck with your drawing, it looks really good so far and it would be nice to see the finished result ^^