In 1959, she won the "Nationaal Songfestival" 1959 with the song "Een beetje", written by Willy van Hemert and Dick Schallies. This gave her the right to represent the Netherlands in the Eurovision Song Contest 1959, held in Cannes, France. She went on to win the competition, receiving a total of 21 points from the international juries. This marked the second win of the Netherlands in the Eurovision Song Contest. "Een beetje" was also recorded in French ("Un p'tit peu"), German ("Sei ehrlich"), Italian ("Un poco") and Swedish ("Om våren").