But with the shoe back on the runway again, one question still remains: How can one wear ballet flats in a way that feels grown-up? McCall suggests pairing them with power pieces in your wardrobe, rather than flowy feminine silhouettes or sweet details like bows and crystals. “The best thing you can do is wear them with something tailored or structured,” the Gossip Girl historian explains. “The most classic way of doing this would be wearing jeans… It’s an easy way to make denim pieces feel more feminine.”