After studying at the Conservatory in St. Petersburg, Khatouna Gadelia was admitted to the Conservatoire de Paris in 2001 where she received her Diploma with Highest Honours. She began her career at Besançon in the operas Le Balcon by Peter Eötvös and Benjamin Britten's The Little Chimney Sweep. Her concert debut was at the Paris Cité de la Musique singing Bach’s St John Passion under the direction of Kurt Masur.
In subsequent seasons, she was engaged by the Théâtre du Capitole Toulouse where she sang the roles of LoveandVenusin The Coronation of Poppea, as well as the roles of Despina (Cosi Fan Tutte) and Sofia (Il Signor Bruschino) at the Besançon Opera. She played Pamina (Die Zauberflöte) in the French Opera en Plein Air and sang Barberina (Le Nozze di Figaro) at the Opéra National in Nancy, the Grand Théâtre in Caen as well as the Bordeaux National Opera. She was invited back to the Capitole in Toulouse to sing Gianetta in L’elisir d' Amore and Barberina in Nozze di Figaro. She was the Fiancée in Stravinsky’s Les noces at both the National Opéra in Lorraine and the Théâtre du Châtelet in Paris. She was cast as Love in Bordeaux’s The Coronation of Poppea under the direction of Rinaldo Alessandrini before participating in the production of Louise at the Opéra National du Rhin.
Khatouna played her first Mimi in La Bohème at the Saint Etienne Opera. She sang the Second Nymph in Rusalka in Nancy, Xenia in Boris Godunov under the direction of Gennady Rozhdestvensky in Nice, Yniold in Pelléas et Mélisande (concert version) in Paris and London, Virtu and Valetto in The Coronation of Poppea in Lille, Dijon and Amsterdam under the direction of Emmanuelle Haïm, followed by Zerlina in Don Giovanni at the Bordeaux National Opera.
She made her debut at the Glyndebourne Festival in the summer of 2012 with the role of the Enfant in L’Enfant et les sortilèges, under the direction of Kazushi Ono, which was also released as a DVD. Last season, she performed the role of Lidunka in Smetana’s The Two Widows at the Opera Angers –Nantes, and Yniold at the Opera de Nice.
In addition to her operatic roles, Khatouna is in demand on the concert platform. She sang in Mendelssohn’s Elijah at the Théâtre des Champs- Élysées under the direction of Kurt Masur, in Handel’s Messiah in Brest with the Matheus Ensemble, in the Stabat Mater by Pergolesi at the Salle Cortot in Paris, in Mozart's Requiem with the Orchestre de Pau, and a concert version of Faure’s Penelope at the Théâtre des Champs- Élysées (Mélantho).
In the 2013\14 season, she sang the roles of the Sandman and the Dew Fairy in Hansel and Gretel at the Théâtre du Capitole in Toulouse. She played again the role of the Enfant in L’Enfant et les sortilèges at Teatro dell'Opera di Roma with Charles Dutoit and later in Bahrain with Festival Aix en Provence. She also sang Beethoven's Ninth Symphony in Montpellier with Michel Tabachnik.
She sang the roles of Mimi in La Bohème and Micaëla in Carmen for the Summer Festival Opéra des Landes in Soustons with Philippe Forget. In September, she debuted at the Teatro Real de Madrid singing Barbarina in Le Nozze di Figaro, under the direction of Ivor Bolton. In November, she sang Yniold at the NHK Hall in Tokyo with Charles Dutoit.
In the 2015\16 season, she sang the Enfant in L’Enfant et les sortilèges with l'Orchestre de la Suisse Romande with Charles Dutoit in Geneva and Lausanne and played the role La colombe in opera L'Hirondelle inattendue of Simon Laks and L’Enfant in L’Enfant et les sortilèges at Opera House of Montpellier.
In January 2016, she sang Carmina Burana in the Philarmonie in Paris, then in April, she played the role of Die Blumenmädchen in Parsifal at the Teatro Real in Madrid under the direction of Semyon Bychkov. Last year she also played the role of Soprano Solo in Weill’s Royal Palace in Opera Theatre of Montpellier under the direction of Rani Calderon. Earlier this year, she sang the Mozart Requiem in Opera Saint Etienne and future engagements includes in September the Great Mass in C of Mozart in Festival of Bucharest; next year she sings Frasquita in Carmen at the Opera Theatre of Montpellier.