Nolwenn Le Magueresse (born 28 September 1982 in Saint-Renan, Brittany, France), known by her stage name Nolwenn Leroy (French pronunciation: [nolwɛn ləʁwa]), is a French singer-songwriter, musician and voice actress. Leroy is fluent in English, having spent a year in the US as an exchange student. She sings in many languages, including French, Breton, English and Irish. She has also performed in Italian and Spanish. Leroy has received numerous awards and nominations. In January 2015, she was ranked 17th on Le Journal du Dimanche's 50 Most Loved Celebrities in France, making her the top female singer on the list since December 2012. Nolwenn studied at the "Collège des Célestins" in Vichy. When Leroy was eleven, her music teacher noticed her musical talents and encouraged her to learn the violin. At the age of thirteen she won "Les écoles du désert", a contest sponsored by the Cora supermarket chain, which allowed her to travel with a humanitarian mission from Gao to Timbuktu, Mali; she later claimed this had a profound influence on her. Leroy finally chose the television singing competition over the musical and joined the Dammarie-lès-Lys castle in late August 2002, where she followed acting, dancing and singing classes for four months. She was declared the overall winner, ahead of her fellow finalist, Houcine Camara, on 21 December 2002. Songs from Histoires Naturelles and Nolwenn were performed on Leroy's second tour entitled "Histoires Naturelles Tour", which started in September 2006. It was followed by a Summer Tour in 2007. Leroy's first live album was subsequently released in late October 2007. Researchers found that Leroy's recordings might have a more beneficial effect than other music, noting that: "the music of Nolwenn Leroy was found to be significantly superior to other music tested". To describe the phenomenon they coined the term the Nolwenn Effect, saying: "the music of Nolwenn Leroy appears to have a different effect on brain-based modulation of gait and stance than other music tested to date".