Chevalier continued performing for as long as he could freely, retreating to the
free zone in the south of France with his Jewish wife and her parents as well as some friends following the 1940 invasion by
German troops. During this time, patriotic songs such as "
Ça sent si bon la France" and "Paris sera Toujours Paris" became popular, and he held charity balls and performed to raise money for resistance efforts. Chevalier consistently refused to perform for the
Vichy France collaborators, and feigned illness, but eventually, out of fear for the safety of his wife and her parents, he reluctantly agreed to a deal. He refused to perform on the collaborating station
Radio Paris, but agreed to perform for prisoners of war at the very camp in which he had been incarcerated during World War I. The performance was given in exchange for the release of ten French prisoners. In 1942, Chevalier was named on a list of
French collaborators with Germany to be killed during the war, or tried after it. That year he moved to La Bocca, near
Cannes, but returned to the capital city in September. In 1944 when
Allied forces freed France, Chevalier was accused of collaboration. ,
Richard Keith, and Maurice Chevalier in "Lucy Goes to Mexico", an episode of
The Lucy-Desi Comedy Hour (1958) In his own country, however, he was still popular. In 1946, he split from Nita Raya and, at the age of 58, began writing his memoirs, which took many years to complete. He started to collect art and paint, and acted in ''
Le silence est d'or (Man About Town)'' (1946) by
René Clair. In 1952, he bought a large property in
Marnes-la-Coquette, near Paris, and named it La Louque, as a homage to his mother's nickname. He started a relationship in 1952 with Janie Michels, a young divorcee with three children. In 1954, after the McCarthy era abated, Chevalier was welcomed back in the United States. His first full American tour was in 1955, with
Vic Schoen as arranger and musical director. The
Billy Wilder film
Love in the Afternoon (1957) with
Audrey Hepburn and
Gary Cooper, In 1957, Chevalier was awarded The George Eastman Award, given by
George Eastman House for distinguished contribution to the art of film. Chevalier appeared in the movie musical
Gigi (1958) with
Leslie Caron and
Hermione Gingold, with whom he shared the song "I Remember It Well", and several
Walt Disney films. The success of
Gigi prompted Hollywood to give him an
Academy Honorary Award that year for achievements in entertainment. In 1957, he appeared as himself in an episode of
The Jack Benny Program titled "Jack in Paris". He also appeared as himself in an episode of
The Lucy-Desi Comedy Hour, titled "Lucy Goes to Mexico". ==Final years==