Andrea Appiani was certainly the leader of the neoclassical painting movement in Italy. He followed the rules of grace and beauty, where the mythology is the principal ingredient. As confirm of this poetic choice, Appiani realized the famous frescoes with the stories of Cupid and Psyche in Monza in the Roundhouse which was originally founded as an architectural connection between the Villa and the Orangery.
Napoleon's painter Appiani realised for him the Apoteosi, the Virtù Cardinali and a part of the fresco on the ceiling of the Royal Palace’s Throne room in Milan. The Apoteosi was partially destroyed by bombardments during the Second World War, and was then recovered and moved to Villa Carlotta in Tramezzo. Still at Palazzo Reale, in the Cariatidi room, Appiani painted the masterpiece of the Fasti, which was completely destroyed in 1943.