Under the sea sequins are unexpected and mystical. There's something about a shimmer in a deep indigo, bright turquoise, or cool cerulean. Jennifer and Cate are both wearing Balenciaga. Next time you pack your going-out bag, don't forget to leave room for sunglasses. You're gonna need 'em to beat the glare of all the sequins you'll be seeing. This look is ultra-versatile, but there is a right way to wear sequins. When shopping for dresses, avoid looking like a walking disco ball by opting for short styles that show lots of skin. And remember to pick lots of tiny sequins over randomly-placed pailettes (big circular sequins) — those can be unflattering in the wrong light.