A dark strapless dress has a broad folded neckline band above a bodice divided by vertical lines. A full gathered skirt starts at the defined waist and reaches the calf area. A small necklace sits above the fabric edge, while black pointed slingbacks remain visible below. Most of the head and face are outside the upper frame; a raised hand holds a phone. This crop cannot provide a complete basis for choosing a hairstyle.
The broad band offers a specific alternative to fine straps or a diagonal shoulder line. Compare its height on the actual dress without another necklace first. Add your intended piece afterwards and assess the gap between its bottom and the upper fabric edge. Keep your hair unchanged across both versions.
The full skirt is a separate decision. Try it with intended shoes while standing and sitting rather than selecting the whole dress through its neckline alone. If you want to introduce a statement bag, keep the small jewellery initially. This lets you assess one new accent while the existing horizontal neckline remains clearly visible above it.