black dress with short sleeves WHBM® AURA Short-Sleeve Sculpting Sheath Dry clean only. Short Sleeve High Neck Mesh

A defined waist with a tie belt or elastic detail creates shape, while a relaxed fit through the legs keeps things comfortable

Fit notes: Model is 5'3" wearing an XS

Nothing poses a getting-ready quandary quite like black tie optional. Its vague and can result in guests wearing a hodgepodge of looks that are all over the map when it comes to levels of formality, Alexandra Macon, Vogue contributing editor and co-founder of wedding e-commerce site Over the Moon says

100% glitter mesh

However, if your dress has a narrow halter neck, tape your boobs as you would for a strapless dress

US12Bust(inch)38 Waist(inch)31 Hips(inch)41 3/4 Shoulder to Floor(inch)60