The sapphire dress itself won't look out of date. The key is to look at the specific styles, materials and matching methods. If this sapphire dress is conservative in style, too long or too retro in design, it may easily make people feel old-fashioned. In addition, if it is matched with accessories such as shoes, bags or jewelry that are too old-fashioned, it may have corresponding effects. But if this sapphire dress is fashionable, cut properly, or matched with some young elements, it can show a very fashionable and youthful style. For example, it can be paired with a pair of white sneakers or high heels, or decorated with some fashionable pink or yellow accessories, which can achieve a very good matching effect. Therefore, the sapphire dress will not simply look old-fashioned, but the key is to consider it in combination with its own style and collocation.