Cardin began her career as a model at the age of 15, where she appeared in advertising campaigns, including
Barilà. She was a Top 4 finalist in the
first season of the
TVA singing competition
La Voix in 2013, later the same year she was featured on
Garou's album
Au milieu de ma vie as a duet vocalist on the single "Du vent, des mots". On March 1, 2014, she appeared on the sister series
The Voice: la plus belle voix in France to perform the song with Garou, a judge on that edition. She released her solo debut EP,
Big Boy, in 2016 on Cult Nation Records. The EP featured songs in both English and French, and included rapper
Nate Husser as a featured artist on "Like It Doesn't Hurt". She was a shortlisted
SOCAN Songwriting Prize finalist in the French division for her song "Les échardes", and the title track "Big Boy" was playlisted on
CBC Radio 2 and charted on the
Radio 2 Top 20. She made an appearance on the talk show
Tout le monde en parle to discuss her mini-album in November 2016. For the 2017
SOCAN Songwriting Prize, she was a nominee in the English category for "Big Boy" and in the French category for "Faufile", becoming the first artist in the history of the award to be nominated in both categories in the same year. In 2017, she released her second EP,
Main Girl. She received two
Juno Award nominations at the
Juno Awards of 2018, for
Breakthrough Artist of the Year and
Songwriter of the Year for "Main Girl", "Paradise Motion" and "The Kids". In 2018, she received another SOCAN Songwriting Prize nomination for "Main Girl". In 2019, Cardin and producer
CRi collaborated on a cover of
Daniel Bélanger's "Fous n'importe où", and Cardin appeared on
Loud's album
Tout ça pour ça as a duet vocalist on the track "Sometimes, All the Time". In 2020 she released the singles "Passive Aggressive" and "Daddy"; both tracks were recorded for her full-length debut album
Phoenix, which was released on April 23, 2021.
Phoenix is co-written with Cardin's longtime manager
Jason Brando of Cult Nation. In 2021, Her debut album
Phoenix won the
Felix Award for Anglophone Album of the Year at the
43rd Félix Awards. Cardin also won the awards for Anglophone Concert of the Year and Most Successful Artist Outside Quebec. Cardin was the most-nominated artist at the
Juno Awards of 2022, receiving nods for
Artist of the Year,
Album of the Year for
Phoenix,
Pop Album of the Year for
Phoenix,
Single of the Year and
Video of the Year for "Meaningless", and the
Fan Choice Award. In 2022, Cardin and
Pierre Lapointe performed
Daniel Lavoie's "Ils s'aiment" at the ceremony inducting Lavoie into the
Canadian Songwriters Hall of Fame. In April 2023, she released "Confetti", the first single from her second album
99 Nights. In June she announced that the album would be released on August 25, 2023. After the release of the album, she created an EP,
Une semaine à Paris, containing four songs: "Real Love", made with artist Laylow, the French version of "Confetti" which had already been released with Confetti and the piano version of the song, "Feel Good", and "Un peu trop". She then released a new EP,
A Week in Nashville, containing three songs: "Lonely with Our Love", "I Came Here to Leave You" and "Did Life Work Out for You?".
99 Nights won the
Juno Awards for
Album of the Year and
Pop Album of the Year at the
Juno Awards of 2024, and was shortlisted for the
2024 Polaris Music Prize. ==Personal life==