In 2000 Marie-Nicole Lemieux won the Reine Fabiola Prize and le Lied Prize at the Reine Elisabeth Contest in Belgium. She then started an international career which led her to the greatest venues and major festivals. She equally performs in baroque repertoire as in French opera of the 19^th century (Les Troyens, Pelléas and Mélisande, Samson and Delilah, Carmen), Rossini (Guillaume Tell, Tancredi, L’italiana in Algeri) or even Verdi (Mrs Quickly by Falstaff, Azucena from Il Trovatore, Ulrica from Un ballo in maschera).

In concert and in recitals (French and Russian melodies, German lied), she sings with the most prestigious orchestras. In the last seasons, she sang in Falstaff in London, Vienna, Paris, Milan, Montreal, Toronto and New York (Metropolitan Opera), Il Trittico by Puccini (Zia Principessa and Zita) at the Theater an der Wien, L’italiana in Algeri (Isabella) and Tancredi at the Théâtre des Champs-Élysées, Madama Butterfly at the Liceu in Barcelona, at the Concertgebouw in Amsterdam, at the Chorégies d’Orange and at the Théâtre des Champs-Élysées, Il Trovatore alongside Placido Domingo and Anna Netrebko in Salzburg as well as in Orange and Madrid, Un ballo in maschera for The Royal Theatre of La Monnaie in Brussels and at the Zürich Opera House, Œdipe by Enesco at the Royal Opera House in London, Tancredi at The Royal Theatre of La Monnaie in Brussels, Les Troyens (Cassandre) conducted by John Nelson, Samson and Delilah at the Opéra de Montréal and in a concert version at the Théâtre des Champs-Élysées, Jephta (Storgé) at the Paris Opera, Agrippina by Haendel with the ensemble Il Pomo d’Oro in Luxembourg, Madrid, Barcelona, Paris and London…

Her many recordings include Les nuits d’été by Berlioz, the Wesendonck Lieder by Wagner, the Rückert-Lieder by Mahler, L’Heure exquise (French airs), Ne me refuse pas (French opera airs with the Orchestre National de France, Grand Prix du Disque from the Académie Charles Cros), Opera Arias (Gluck, Mozart, Haydn with the Violons du Roy), Streams of Pleasure (Haendel) and Chanson perpétuelle (with Roger Vignoles).

This season she performed at the Royal Theatre of La Monnaie in Brussels in Die Walküre (staged by Roméo Castellucci), she then toured in March in France and Switzerland where she performed a recital from Rameau and Mahler with the orchestra Les Siècles. She will also perform in April at the Monte-Carlo Philharmonic Orchestra as well as at the Capitole in Toulouse (May), at the Kölner Philharmonie (beginning of June) or the Théâtre des Champs-Élysées.

She sang at the Festival de Saint-Denis in 2004 in Jeanne d’Arc au bûcher by Honegger, conducted by Kurt Masur with the Orchestre National de France, in 2006 in the Symphony n°2 by Malher, conducted by Paavo Järvo with the Orchestre National de France and in 2009 in the Symphony n°9 by Beethoven, conducted by Nelson John with the Ensemble Orchestral de Paris.