Trust TikTok to coin a new hair trend. Heading into autumn, the #preppyaesthetic is trending with crisp-collared button-downs, blazers, and loafers. And preppy-girl hair is the perfect companion.

It’d be too easy to pin it all on Miuccia Prada’s micro mini skirt. Cut so short the exposed pockets were longer than the garment itself, the piece went viral hours after it walked down the runway.

Preppy fashion has changed significantly over the decades, and it's going through another shift in the 2020s. The newest variant of "preppy," led mostly by Gen Alpha over the last year, refers to ...

CHLOE LEE never thought she’d be grateful for her school uniform. For nearly a decade, Ms. Lee, who is now 24 and founded the fashion-resale app Selleb, wore “the same blue blazer, pleated skirt, ...