 Training as a painter, Villermont was a member of the Cercle des femmes peintres from 1888.Besides painting, she dedicated herself to writing for such periodicals as "La Revue générale" and "La femme belge" (which she also supported financially from 1913 to 1925).She was not only a contributor but also co-editor of "La Revue Mauve", an up-market magazine about social and cultural issues published in Brussels from 1897 to 1899.