She became acquainted with Claude François, a French singer and producer, and asked him to promote her in France.

But the collaboration ended abruptly after a disagreement between Claude François and her manager of that time (and father-in-law) Milo De Coster.

In the early 1970s, Saint-Pierre took part in the Bible musical Glory Halleluja 2000 by Group Miloscope.

Said Saint-Pierre: "It was almost irreversible, until the Belgian entertainer Bobbejaan Schoepen called me for a series of performances in his park.

This resulted in Saint-Pierre being one of the judges in the first season of the Belgian version of the talent show X-Factor.

Today Saint-Pierre still frequently records new material and she is still one of the most respected voices and live performers of Belgium.