She was born on 25 September 1962 in the 17th arrondissement of Paris. Her grandfather, of Algerian origin, arrived in France during the 1920s. Her father, Jacques Noureddine, played the saxophone. Juliette began to learn to play the piano at the young age of seven. Juliette had her beginnings in Toulouse; after spending her teenage years in a religious institute, and after passing through the faculties of Literature and Musicology, she started playing in bars and restaurants throughout Toulouse as a pianist, performing songs by Jacques Brel and Édith Piaf. It was around the age of 18 that Juliette began to write and sing. Her first song was entitled "This evening I'm sleeping with Chopin." One evening, Juliette sang a song accompanied by the piano in a bar in Toulouse. The boss quickly hired her, and she sang there every evening for a year and a half.In 1985 and 1986, she was present at the festival Découvertes du Printemps in Bourges, a festival that features promising young talents. After a tour in Germany, she played the opening act for Jean Guidoni in 1990. It was at this time that she had a meeting with Pierre Philippe. She received the grand prix de la chanson française at Saarbrücken.In 1991, she published her first album, Que Tal?
. She received a nomination for the award of "Victories of Music" ("Victoires de la Musique") in 1994, and received the prize of "revelation of the year" at the same awards in 1997. She appeared at l'Olympia for the first time in 1999 for six days, and again for two days in 2005.One of the most original and important voices of today's French music, she has released seven albums and received the medal of Chevalier des Arts et Lettres. She hosts a radio show at the France Musique station, called Juliette
or La clef des sons
where every Sunday, she presents a selection of eclectic and diverse music, from pop to classical, according to her mood.