Attention, people! The shopping forces have suddenly collided. Whether you missed Black Friday, Cyber Monday or whatever the hell has been happening in between, dresses are on sale like crazy all over the web--with free shipping until the end of the year in plenty of shops--right now. And that's actually really great news, because we could use some gorgeous frocks to wear to holiday cocktail parties and gatherings, and at prices like these, it wouldn't hurt to shop for next year, either. Click through for some mighty pretty ponies with even more attractive price tags.