The Metropolitan Museum of Art’s Costume Institute has just opened its spring exhibition: “Camp: Notes on Fashion”, named after Susan Sontag’s 1964 essay. Expect flamboyance and eccentricities on full display, dating all the way back to the Court of Versailles, when the term “camp” was invented and going right up to contemporary fashion, where designers push boundaries further each season. As per tradition, Anna Wintour headed the MET Gala, which took its theme from the exhibition. True to…