Separately and together, he and his sometime lover and regular companion, Giancarlo Giammetti, made sure to greet and double-cheek kiss friends and supporters sitting at all the tables in their area, ranging from the young (the former reality-television star Olivia Palermo, the Brant brothers, the model Jessica Hart and her shipping-heir boyfriend, Stavros Niarchos) to the established (the interior designer Mica Ertegun, Barbara Walters, the Texan philanthropist Lynn Wyatt, the Greek businesswoman Gianna Angelopoulos-Daskalaki).

WSJ: A New Principal at the Ballet