The couturier Paul Poiret—known as Le Magnifique—was never one for small gestures. At the 1925 International Exhibition of Modern Decorative and Industrial Arts, he installed three barges on the Seine. “Amours” featured his interior decor and perfume lines, the dance hall “Orgues” displayed his textile collaborations with the young Raoul Dufy, and the designer himself played host at the luxury restaurant “Délices”—his own floating world. The exhibition “Paul Poiret. Fashion is a Feast” immerses visitors in that world. With over 500 works from the MAD collection, including garments, textiles, furniture, sketches, photographs, and posters, the curator Marie-Sophie Carron de la Carrière re-creates Poiret’s universe, from the Belle Époque to the Années Folles. —Lacey Minot