Émilie Satt and Jean-Karl Lucas met in a bar in Paris in 2008. Almost instantly they fell in love and became a couple as well as creative duo. During the next few years, Émilie and Jean-Karl wrote songs for different famous French musicians. In 2013, they decided to take the stage themselves and named their duo Madame Monsieur. In 2018, the group qualified to represent France in the international song contest Eurovision in Lisbon.