'Céline Dion's arrival in Paris rekindles a sense of national unity in France'

Although France has not always welcomed her with open arms, the Québécois star now inspires admiration. The use of her songs, especially in cinema, reflects a kind of universality, writes essayist Valentin Grimaud, author of 'Céline Dion: Vestale' ('Céline Dion: Vestal Virgin').