Page Six says friends of designer Marc Jacobs, pictured here outside this week’s Metropolitan Museum Costume Institute Gala with an unknown date, are concerned he’s burning the candle at the wrong end: “He spends most of his time partying until morning in Paris. It’s out of control. There’s always a different boy and everyone is worried he’s going to pull a Halston.”
Gawker recently chronicled his romantic comings and goings…