A Radiant Girl (French: Une jeune fille qui va bien, lit. 'A young girl who is doing well') is a 2021 French drama film written and directed by Sandrine Kiberlain in her feature directorial debut. The film stars Rebecca Marder as a young Jewish girl aspiring to become an actress during the occupation of France. The film premiered in the International Critics' Week section of the 2021 Cannes Film Festival, where it competed for the Caméra d'Or.