Fergie in Marchesa at the "Alexander McQueen: Savage Beauty" Costume Institute Gala at The Metropolitan Museum of Art on May 2. You can see a photograph here on Marchesa's Facebook page. Fergie's husband, Josh Duhamel wore Calvin Klein. Duhamel was quizzed on Fergie's outfit and he did well. Duhamel said, "I better remember that. We're sitting with them at the table." Duhamel even knew that Fergie's headpiece was Harry Winston. Take a look: