Rihanna is one A-lister who knows how to marry posh and sporty pieces together. This fall, one of her most casual cool-girl looks is trending, and we can't stop swooning over it. Enter: rugby shirts.

For millennials, being preppy meant wearing boat shoes and khakis, maybe with a cardigan draped casually over your shoulders in case it gets chilly. The look got its name from kids who went to ...

When you purchase through links on our site, we may earn commission. Read our full commerce guidelines here. For many of us, polo shirts conjure up images of golf Dads, posh trust-fund heirs, or ...