The very best of fashion’s most enduring garment, according to those who make them. White shirts by (clockwise from top left) Polo Ralph Lauren, Zanini with A&S, 45R, J. Press, Esencia Maya and Alaïa.

Belly button pain can range from a dull ache to severe agony. The “belly button” area is known as the umbilicus. It’s the spot where the umbilical cord (a tube that provides nutrients and oxygen to a ...

Irene Richardson is an associate editor for InStyle. She primarily focuses on InStyle's fashion library, where she covers trends and must-have wardrobe finds. Irene personally tests countless fashion ...