For semi-formal option: Look for to-the-knee or slightly above the knee, fabrics like silk, chiffon, satin, or taffeta. Guys, you can play with different designs and amazing textures on ties and vest for fairytale wedding as semi formal attire. For festive option: Dress up for a fun party, we want our guests to dress flirty and fashionably. You can wear bolder colors and shorter skirts. Whatever you wear should make you feel pretty and sexy so that you'll be ready to dance and have a good time. Most of all, look for something that makes you feel beautiful, and helps you want to celebrate!