New Years Eve Dress?

I am wearing a black dress that shows my back and in the front it come down in the middle almost to my belly on. It just coves my i will have black spiked heals the heal is silver and has silve on the shoe. My nail ans toes will be a red what do you tink? I need some jewlery does silve sound ok I have silver hoops for my ears should I get a lond necklace or short plee tell me what you think?