[1] Coldefy attended primary school in Suresnes, a suburb of Paris.

She was enthusiastic about acting from a young age and took part in minor theater performances, among other activities.

After meeting French talent agent Jean-Baptiste L'Herron, she began doing castings for films and television.

Her first small role was in the drama Superstar, directed by Xavier Giannoli.

[3][4] The actress gained some international prominence in the 2019 comedy series Family Business, where she plays the eccentric girlfriend of Olivier.