Professional ratings| Review scores |
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| Source | Rating |
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| Kommersant (Russia) | Favorable |
Un Monde Parfait was the debut album from the French singer Ilona Mitrecey and was released on 10 August 2005 by Sony BMG. In Germany and Switzerland, it was composed of only six tracks from the French version and was reentitled Ilona there. The album reached number two in France, Mitrecey's country-home, and Portugal, and number nine in the Francophone part of Belgium. It provided five singles which were all top ten hits in France, the eponymous and lead single even becoming the best-selling single of the 21st century in the country, with over 1.5 copies sold.