Belgium was represented by Jean Vallée , with the song ' " L'amour ça fait chanter la vie " , at the 1978 Eurovision Song Contest , which took place on 22 April in Paris . Vallée was the winner of the Belgian national final for the contest , held on 8 February ; he had previously represented Belgium in the 1970 contest in Amsterdam , where he had finished fifth . Another previous Belgian entrant Jacques Hustin ( 1974 ) also took part
1970 contest
Eurovision Song Contest 1970
Belgium in the Eurovision Song Contest 1978