Vasiliki Papathanasiou, generally known as Vicky Leandros, is a Greek singer living in Germany. She is the daughter of singer, musician and composer Leandros Papathanasiou. In 1967 she achieved worldwide fame after gaining fourth place for the country of Luxembourg in the Eurovision Song Contest with the song "L'amour est bleu", which became a worldwide hit. She further established her career by winning the Eurovision Song Contest in 1972 with the song "Après Toi", again representing Luxembourg.

The Eurovision Song Contest 1967 was the 12th edition of the annual Eurovision Song Contest. It took place in Vienna, Austria, following the country's victory at the 1966 contest with the song "Merci, Chérie" by Udo Jürgens. Organised by the European Broadcasting Union (EBU) and host broadcaster Österreichischer Rundfunk (ORF), the contest was held at the Großer Festsaal der Wiener Hofburg on 8 April 1967, becoming the first contest held in the month of April, and was hosted by Austrian actress Erica Vaal.