In “Sirens,” the dress codes of “The Official Preppy Handbook” are followed to a comical, Lilly Pulitzer-laden T.

5. Rich Auntie Knit: Old money meets Easter with this tailored knit dress. Between sweet ruffle details and a structured shape, it toes the line between preppy and playful in the best way.

5. Rich Auntie Knit: Old money meets Easter with this tailored knit dress. Between sweet ruffle details and a structured shape, it toes the line between preppy and playful in the best way.

Lisa Birnbach has seen this all before. Dries van Noten spring 2024. But what does preppy style signify now? And how did an aesthetic that once felt niche and exclusionary take over the world?

We all know what "preppy" means — don't we? If you're older than those in Generation Alpha (anyone born after 2012) you might think of a wealthy person with a particular fashion sense (collared ...