Sisters Naomi Diaz and Lisa-Kaïndé Diaz perform “Mama Says” to a Cuban rhythm. On Naomi, left: Christopher Kane sweatshirt, $1,275; Barneys New York stores. Dries Van Noten pants, $1,250; Capitol, Charlotte, N.C. On Lisa-Kaïndé, her own dress. In a feathered headdress, model Carolyn Murphy wears a black embroidered-tulle Oscar de la Renta cocktail frock; Oscar de la Renta boutiques. Seated next, actress Dakota Fanning wears a pearl-gray Rochas silk duchesse-satin dress. On Murphy: Dress, $6,490. Louis Vuitton open-toe pumps, $1,230; select Louis Vuitton boutiques. On Fanning: Dress, $12,000;
rochas.com for information. On Pilcher: Scout Original sweater; info@scoutoriginal.com for information.
Fashion Editor: Camilla Nickerson