 She has performance concerti with orchestras including Polish Chamber Orchestra, Orchestre National d’Ile-de-France, Orquesta Sinfonica Simon Bolivar (Venezuela), Calgary Philharmonic (Canada), St Petersburg Philharmonic, the WDR Sinfonieorchester Köln, Orchestre National de Montpellier and the National Radio Orchestra of Romania.Millet has collaborated with Tbilissi, Camerata, Danel, Martfeld, and Sine Nomine String Quartets, as well as members of the Berlin Philharmoniker, the WDR Sinfonieorchester Köln and the Gürzenich Orchestra.She has worked closely with composers Luciano Berio, Elliott Carter, Pierre Boulez, John Adams, Johannes Schöllhorn, Jörg Widmann, George Crumb, Hans Werner Henze, Henri Dutilleux, Leonard Bernstein, Nicolas Bacri, and Tristan Murail.