In lieu of a traditional runway, Opening Ceremony hired the drag personality Sasha Velour, center, to stage a gender-bending show with Christina Aguilera on Sunday. Ms. Aguilera greeted the brand’s founders, from left, Carol Lim and Humberto Leon, after the show at Le Poussin Rouge. “She’s so cool,” Mr. Leon said. “We have drag performers who impersonate her.”
