SPEAK OF THE CLASSICS

For those moments when the night cools off, don’t be caught out. The outerwear of choice to throw over spangly dancing pieces: a traditional blazer with smartly contrasting lapel to pull it all together.

Chanel jacket, $11,990, and Code Coco steel and ceramic watch set with diamonds, $15,850, from the Chanel boutiques. Bassike swimsuit, $260.