Marie Claire è una Songwriter che ha già scritto numerosi brani di successo per Céline Dion, Enrique Iglesias, per K D Lang, Belinda Carlisle, Robert Miles, The Corrs, Lola Ponce, ma è anche un'interprete dalla voce unica e suadente. Marie Claire esordisce con l’album “Alma de Barro” che arriva al numero 1 in Italia nel 1994 e successivamente in Giappone, Russia, Austria e in top ten in molti altri paesi; in seguito si dedica principalmente alla scrittura ed è proprio Céline Dion stessa a contattarla per interpretare "Falling into you", scritta dalla D'Ubaldo, che vende piu’ di 40 milioni di copie e diviene anche il titolo di una raccolta della Dion.
Marie Claire D'Ubaldo is an Argentine singer / musician and a prolific songwriter; she has appeared as a guest vocalist on many albums. She had her biggest success with "Falling Into You" which was covered by Celine Dion, who also named her album after the single.. Marie-Claire D'Ubaldo released her debut album, Marie-Claire in Japan (only) in 1990. Her follow-up Spanish language album 'Alma de Barro' was released in 1994, and the English Language version Marie-Claire D'Ubaldo was released internationally in the same year. Her biggest personal hit was "Rhythm Is Magic"; it went to number 1 in Italy for 5 weeks in the summer and was the 4th most air played single of the year, and was used in the soundtrack to the Italian film "Il Ciclone". The song and album did very well in Italy, Japan, Latin America, Hispanic North America, Austria, Finland, Norway and Russia. Featured on the album were also songs written with Rick Nowels (Belinda Carlisle/Stevie Nicks), Billy Steinberg (Eternal Flame/True Colours/Like a Virgin etc) and Tony Moore (musician) (ex-Cutting Crew)
At the beginning of 1995 Polydor had closed its US office and the man responsible for signing Marie Claire had left. According to Tony Moore (musician) (ex-Cutting Crew and songwriter / musician and friend of Marie Claire's), nobody at Polygram was serious about supporting the album or recording a new one and didn't see "Falling Into You" as a hit, they dropped her.
Marie-Claire is best known for the single "Falling Into You" which was written and originally performed by Marie Claire, but later covered by Celine Dion; the single was to become the title track for Celine's album. The original backing track recorded by Marie-Claire, along with her own backing vocals, is the version used by Celine.
During the late 1990s and early millennium, Marie-Claire often performed live in London at The Kashmir Klub and The Bedford, performing the tracks she had written for herself and other artists. In 2002, Marie Claire did the vocals for two songs on the self-titled debut album by Conjure One, Manic Star and Sleep