Melanie Cohl represented Belgium at the Eurovision Song Contest 1998 after winning the national final selection. Her song "Dis oui" was one of ten songs presented in the national final, which was held on 13 March 1998 at the RTBF studios in Brussels accompanied by the big orchestra of RTBF. Jean-Pierre Hautier hosted the event, and the winner was selected by televoting for the first time.
Melanie Cohl performed 20th in the running order on the night of the contest. "Dis oui" went on place 6th with 122 points. It was the first time Belgium finished in the Top 10 since their victory in 1986.