Clothilde Delacroix was born in 1977. She took a university degree in visual arts and taught a few years with young children.
An illustrator for the youth, she is mainly published in the Loulou & cie collection (L’École des loisirs) and at Seuil Jeunesse, and regularly collaborates with the youth press.
She co-signed with Gilles Bachelet in helium humor: Make Peace, Doves! , in 2016.