FTP, identify this author of the Claudine series and the novels Cheri and Gigi.
Her first works were published by her husband, Henri Gauthier-Villars, under his pen-name "Willy." After their 1906 divorce, she appeared in music halls, from which came La Vagabonde, Mitsou, and  L'Envers du music-hall. Her late memoirs were published in The Evening Star and The Blue Lantern. FTP, identify this author of the Claudine series and the novels Cheri and Gigi.
Her first works were published by her husband, Henri Gauthier-Villars, under his pen-name "Willy."
Sidonie Gabrielle Colette