Where is the best online source for plus size cocktail dresses?

Wow, there are many good stores for this! A few of them are JCPenney, Sears, Wal-mart, Cato, Target, Maurices, SimplyBe, Igigi, Zappos, Jessica London, Lane Bryant, and Avenue.

one of my fav stores-Globetrendy, it offers customize service, :) and it's free :D