Career
After taking part in the musical comedy Notre-Dame-de-Paris created by Luc Plamondon and Richard Cocciante when she was just 14, she played in Les Dix commandements at age 16. She had a lead role in musical Don Juan against the male lead role played by Jean-François Breau. In 2007, she released her first sole self-titled album Marie-Ève Janvier with Mercury (Universal) France.
In 2008, she toured Quebec with Jean-François Breau, her boyfriend.
In the summer of 2009, they recorded their first joint album entitled Donner pour donner, followed in 2011 with a second joint album Louisiana vie à deux. Their joint single "J"ai un problème", a cover of a 1973 Johnny Hallyday and Sylvie Vartan song, became a big hit for Marie-Ève Janvier and Jean-François Breau.
They both took part in a revival of Don Juan in February 2012 where Janvier played the role of Maria against Breau in the role of Don Juan. This was followed by joint promotional tour called Louisiana vie à deux tour in Quebec in Spring 2012.
In 2010, Janvier was part of the Ensemble pour Haïti French Canadian charity for aid for Haiti earthquake victims and performed in the charity concert and telethon.