So the key to making the outfit is the incredible top. Barneys Girl and I have been obsessed with silk lately because we think it makes a top look really classy. Another great thing about a cool going out top is that you can wear it for so many occasions afterwards. Anyways, so here are some tops that I like:
Bright, bold colours are definitely good choices -fashionable and eye-catching. Tops by Sunner (left) and Twelfth St. by Cynthia Vincent (right).
Another bold colour but for the cool skin tones, blue. Tops by Nieves Lavi (left) and Top Shop (right).
Pretty, casual kimono tops by Urban Outfitters.
These two tops are perfect for office parties or say, nice Christmas dinners. Tops by Marc by Marc Jacobs (left) and Rebecca Taylor (right). 
With the androgynous look being all the rage this season, you could def try that look for parties. I love the tops above. They just give off this really cool (and slightly unfriendly) vibe. Tops by Rachel Roy (left) and Top Shop (right).
It is winter afterall, so some people may prefer long sleeves. That's absolutely fine as long as the tops don't look too stuffy and have nice details on them, like the flowy sleeves in the top by Foley for Foley + Corinna (left) and the serious prettiness of the top by LaROK.
Pictures from topshop.com and shopbop.com.
So, keep an eye out for that oh-so-incredible top!
