Alex Beaupain's mother was a primary school teacher and his father worked for the railways and he has an elder sister and younger brother.
Beaupain's second album, released in October 2008, was titled 33 Tours,[4] consisting of twelve songs, I want to go home being the first single, the video for which was directed by Christophe Charrier.
The album included a duo with Camélia Jordana, Avant la haine, which had featured in the sound track of Dans Paris, Christophe Honoré directing the clip.
In 2015, he became involved in the project for a book « Les gens dans l’enveloppe » (People in the envelope) written by Isabelle Monnin based on anonymous photos she had acquired and for which he wrote ten songs on an accompanying CD, interpreted by Camélia Jordana, Clotilde Hesme, Françoise Fabian and himself.
[11] A television documentary Je n'aime que toi,[12] with a personal view of Beaupain directed by Valentine Duteil and Karine Morales, was broadcast on France 3 in December 2021.