Size XS, Isla Mini Dress Light Blue Final Sale Ill add that its good to avoid anything too pastel thats almost white or anything extra sparkly too, unless the couple asks guests to dress that way. , #etiquette #weddingetiquette #blacktie ZAPAKASA Women Black White One Shoulder Long Black Tie Dress with 3D Flowers Mermaid Ruffled Black and White Formal Dress Blue Black Tie Dresses Azazie One Shoulder Sequin Long A Line Formal Dress PromGirl Midnight 14