 Complete the following phrase:  Vasiliki Papathanasiou ; born 23 August 1949, generally known as Vicky Leandros , is a Greek singer living in Germany. She is the daughter of singer, musician and composer Leandros Papathanasiou ; also known as Leo Leandros as well as Mario Panas. In 1967 she achieved worldwide fame after gaining fourth place for the country of Luxembourg in the Eurovision Song Contest with the song Lamour est bleu, which became a worldwide hit. She further established her career by winning the 