the Travolta part in “Grease,”

their father has asked them to do, according to people who have worked with them. The siblings declined to be interviewed for this story. Delphine Arnault, who studied at Edhec Business School in France and at the London School of Economics, is reserved, shrewd and fashion-savvy, according to three people who asked not be identified out of concern for their working relationship with her. She joined her father’s company in 2000 after a Hermes Steve Bagstint at McKinsey & Co. and was named to LVMH’s board in 2003. Bernard Arnault has other potential successors, as well as non-family executives inside and outside LVMH. “At least one of them will show themselves capable of taking over,” Arnault said of his kin in a documentary aired in February on France 5 television. Antoine, at least, hasn’t excluded succeeding his father. “Perhaps.

 Who knows?” he told Bloomberg Pursuits magazine in 2012. “But not in the near future.” To contact the reporter on this story: Andrew Roberts in Paris Until June, Delphine worked as deputy managing director of Christian Dior Couture. In her five years in the post, the label’s sales climbed 67 percent to 1.28 billion euros, more than double the total industry growth rat e Hermes Victoria bag, according to consultant Bain & Co. t very differently. With his models’ hair dusted granny gray and yanked into imbecilic spirals, Mr. Yamamoto plays it cool, as if he knows that something rebellious has gone out of fashion. Most of what he showed, especially neon layers and curvy black jackets split at the shoulders, fit the current mode for noisy colors and funny openings, but it felt more soulful. And it now has the virtue of being unrecognizable. With Rossy de Palma leading a panel of judges in a Left Bank nightclub, and the

 model Coco Rocha doing the Travolta part in “Grease,” Mr. Gaultier staged a TV-style dance show. As gags go, it was topical and very entertaining, but while the collection was better than usual, too many  Hermes Vintageof the Gaultier standards, like zippered leather dresses, feel impervious to change. In his July haute couture show, Raf Simons of Dior included dresses and jewelry inspired by African motifs and colors. They were a small but distinctive part of a show aimed at global style. If Mr. Simons was subtle, Phoebe Philo used a magnifying glass on S Exclusive Dior At Vuitton she’s overseeing all product-related activities as sales slow from Barcelona to Beijing. Delphine’s experience at the more-exclusive Dior brand will help move Vuitton upscale, Vuitton CEO Michael Burke said in a statement when she was appointed.