She finished high school at Lycée Pasteur in Neuilly-sur-Seine in Hauts-de-Seine.
[citation needed] Ilona became famous in France after the release of her hit single, "Un Monde parfait" ("A Perfect World"), a high-energy Eurodance song which had already been released in Italy in March 2004 under the name 'Très Bien featuring Ilona', on 28 February 2005.
Her second single, "C'est les vacances", was released on 20 June 2005.
Her debut album, Un Monde Parfait was released on 10 October 2005.
[2] In 2007, she decided to stop her singing career to focus on her studies and enrolled in cinema studies between France and New York City, where she lived for a year.