white dress with black flowers ZAPAKA Women Mermaid Tie Ruffles One Shoulder Long Formal Dress, Black+White / US18W quality materials Oh Là Là 3D Flower

This is the selkie dress and I am wearing a xs

Some couples write "black-tie preferred," "black-tie invited" or "black-tie encouraged." Typically, these three terms mean that the to-be-weds likely want their guests to wear a tux or full-length gown, but will also accept formal suits and dresses

Where Do Formal and Black-Tie Sit in the Full Dress Code System

Because you are breaking the line of the leg with the color change I would not recommend hugely flamboyant red shoes such as boots with big gold buckles or shoes that lace up the leg (shortens the leg again) but red shoes can be a great look with a little black dress, also known as a cocktail dress