The designer described the gown as “a custom look from Jean Paul Gaultier Haute Couture,” and it certainly fits her snug as a glove. A gilded halter top plunges into the vintage corset at her waist, barely containing her chest. The dress then drops in a shimmering pattern all the way to the ground and includes a long train.

Snaking traffic, screaming crowds, and a crush of photographers descended on the Grand Palais on Tuesday as Chanel unveiled its latest show before Matthieu Blazy’s debut as creative director in fall