"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." On a show where being scantily clad is the norm, even the slightest sartorial shifts feel seismic.

Is there anything more classic than a short, single-strand pearl necklace? We’re talking about the kind that reminds us of Coco Chanel and Jackie O. The necklace that Carolyn Bessette-Kennedy favored, ...