Brat Summer 2025. Neon accessories, swimwear, makeup and more. Now that brat summer has officially extended into brat autumn, here's everything you need to know about the trend, from viral dances to unexpected collabs.

Manufactured by the mastermind that is charli xcx, aka charlotte aitchison, brat is technically just a studio album like any other. But like many recent trends, brat summer is seasonal.