Size 4 Unfortunately missing button on neck but comes with extra! How classic. The Roy Satin Dress is a sleeveless maxi dress with a halter neckline and an open back. All your other dresses are going to be jealous. fit & details Designed to be fitted at bodice and waist with a relaxed skirt. This item runs large. We recommend sizing down. Halter neckline, backless. The model is wearing a size 0 and is 5'9", 22" waist, 35.5" hips, 33.5" bust.