[1] Originally from the Eastern Townships region, Kelly Depeault enjoyed re-enacting movie scenes as a child.
She was introduced to singing by her older sister, Lydia Dépeault, before joining Les Petits Chanteurs de Trois-Rivières choir.
That same year, she landed the lead role in a Leucan commercial, before joining the cast of Les Enfants Roy in 2014.
At the same time, she won several singing competitions, where she made a name for herself with a song written for her, called Raconte-moi encore.
[2] Depeault is most noted for her performance in the 2020 film Goddess of the Fireflies (La déesse des mouches à feu), for which she won the Prix Iris for Revelation of the Year at the 23rd Quebec Cinema Awards in 2021.