During the 2017 French presidential election, she was the main spokesperson for Jean-Luc Mélenchon as he led the new party La France Insoumise.

[8] She also co-wrote the movement's white paper Pour un sport émancipateur et libéré de l'argent.

[9] During the 2017 legislative elections she was also listed as the deputy to the socialist candidate Anne Di Marino in the third district of Bouches-du-Rhône, which was allegedly a mistake.

[13] On November 8, 2018, she announced that she would quit La France Insoumise due to strategic disagreements and concerns about infighting.

[2] In preparation for the March 2020 municipal elections in Marseille, Soilihi affiliated with the Pôle radical et écologiste.