Toupin was born in Montreal, Quebec, growing up in the city's Rosemont neighbourhood.

[3] Toupin's 2005 album Non-Negociable was certified platinum; a second edition was released in 2007.

[3] Toupin left her manager Eduardo Da Costa, and after working independently and then with the Musicor label, returned to him in 2008; the result was an album of soft rock, À distance, in 2009.

[8] Her album À ma manière : onze grands succès, released in 2012, was a collection of songs which had won Quebec's Félix Award.

[9] In 2015, Toupin was criticized in the media for making racist comments on her Facebook page; this led the producers of the Pixcom home renovation television show "Flip de filles" to remove her as co-host.