I say go for the tuxedo pants - very hot - and the purple shoes. For jewelry I'd go serious bling, if you have it. Maybe some drop rhinestone/diamond earrings (whichever you have), the longer the better, especially if you're wearing your hair up. If you're wearing the top low cut, I'd also go for a drop necklace, right down into your cleavage! (a tip I picked up from Blanche on Golden Girls) Sparkly bracelets and you're set!
If you want a more subtle look, I'd go black, classy jewelry. But it is NYEve, so you should break out the shine!
Take a picture so we can see what it looks like in real life!
I agree with Blubirde- tux pants and purple shoes. Since you are wearing pretty neutral colors I would bust out some cool jewlery. Go flashy- it is NYE so you can go a little crazy.
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