In 1954 at age 11, she made a recording with her father, "L'homme et L'enfant" ("The Man and the Child"), which was a huge hit in France, selling over 2 million copies. The pair even did a special performance of the song at the April 1956 royal wedding of
Prince Rainier of Monaco and
Grace Kelly. She soon appeared in an embrace with her dad on the cover of the famous French magazine, Paris Match.