On 2 March 2009, Dessay premiered in Zimmerman's new production of "La sonnambula" opposite Juan Diego Flórez at the New York Metropolitan Opera. It was the opera's revival at the company after 37 years since Renata Scotto's performance. On 3 July 2009 she gave her first performance in the role of Violetta in "La traviata" at Santa Fe Opera in a production by Laurent Pelly with her husband Laurent Naouri appearing as Giorgio Germont. In October, she performed in Musetta in "La bohème" at the Opéra Bastille.