Andy Warhol biographer Bob Colacello will curate his first-ever gallery show at Vito Schnabel Gallery in St. Moritz later this month, Page Six has learned. The show will include works by Warhol and Jeff Koons. On Thursday, Schnabel launched a show by Jeff Elrod, which sold out, at the Swiss gallery. At the Elrod show were Vito’s artist dad, Julian, Lyor Cohen and wife Xin Li, Adam Lindemann and Amalia Dayan, Goldman Sachs big J. Michael Evans and wife Lise, Stavros Niarchos and Natalie Massenet. Afterward, guests “drove to an old barn converted into a rustic gourmet restaurant on top of the mountain,” said a spy.