She was also cast into the TF1 soap opera Demain nous appartient, which premiered around the same time, on 17 July 2017, and she sang its theme song.

[1][2][3] Lou's YouTube covers attracted the attention of the TV producers of The Voice Kids on TF1, who offered her a spot on season 3 of the show.

[3][7] In 2017, Lou participated in the Sardou et nous... project, with Kids United, Nemo Schiffman, Angie Robba, Dylan, Ilyana and Thibault.

In 2020, Lou participated in the project Green Team alongside Carla Lazzari, Erza Muqoli, the new generation of Kids United, and many others.

On 13 July she released the song Y'a pas Moyen, taken from the episode Les perchés (in which she plays the role of Lola) of the series Josephine, Guardian Angel.

In 2023, Lou provided singing voice for Marinette in the English and French dub of Ladybug & Cat Noir: The Movie.