[1] Maëlle's musical career started in 2017, when she submitted a video audition for the seventh edition of the French version of The Voice and became a contestant.
[15][16][17][18][19][13][20][9] During the duels, Maëlle battled Gulaan singing Sting's "Fragile", and it was she who Zazie chose to advance to the live rounds.
[13] In the semifinal, she sang France Gall's "Diego libre dans sa tête" and was chosen by the public for the final over B. Demi Mondaine.
[4][24][25] She won the final with 55,3 % of the public vote, becoming the first female and, at 17 years of age, the youngest candidate to ever win the French talent show.
Titled "Toutes les machines ont un cœur",[28][29] it was composed by Calogero (who also produced the recording), with lyrics by Zazie.
[32][33] On 6 September 2019, Maëlle released (on YouTube) a music video for a live version of another track from her forthcoming album, a song titled "L'Effet de masse".