Embellishment is a great way to make sure your flats are black-tie appropriate.
Slingback embellished flats, $90, zara.com.
Florals will always be a great accent to any formal outfit.
White floral flats, $216, jcrew.com.
Yes, you can wear even a more casual shoe like an espadrille—just make sure it has details like metallic, texture or appliques.
Pour La Victoire applique espadrilles, $198, anthropologie.com.