GUEST POST by A Byers Guide: Deciphering Formal Dress Codes Southern Belle in Training Amazon.com: DRESSTELLS Cocktail Dress, Black Funeral Dresses for Women, Formal Wedding Guest Vintage Holiday Party Prom Midi Evening Dress Black XS : Clothing, Shoes & Jewelry Elegant Black Eclipse Gown Shop Stunning Evening Dresses at Lady Black Tie Black XL Black Tie Event Style: Is a Cocktail Dress Appropriate? What I wore to a black tie wedding! The bride requested all guests wear black, and this classic formal dress was perfect, flattering, and comfortable with a slight stretch. I've worn it Black Tie Oleg Cassini Beaded Evening Dress in Black sz 8