Wear the dress. The Aribella is a full length slip dress that's slim fitting throughout. It features ruffle detailing along the neckline for a more romantic look. fit & details Designed to be fitted throughout. Adjustable straps, scoop neckline. The model is wearing a size XS and is 5'9.5", 23.5" waist, 34.5" hips, 32" bust. This is a lightweight silk charmeuse fabric - 100% silk.