To receive the Vogue Business newsletter, sign up here. Can Lanvin regain its grandeur? Deputy general manager Siddhartha Shukla, who was appointed last December to lead the brand, has bold ambitions.

Awaiting the appointment of a new creative director, Lanvin leaned into its heritage for spring. And what heritage: The oldest fashion house in Paris, and synonymous with the 1920s and ’30s, sublime ...