About Vicky Leandros Vicky Leandros (born Vassiliki Papathanasiou, 23 August 1949, now legally Vassiliki von Ruffin) is a Greek singer with a long international career. She is the daughter of singer, musician and composer Leandros Papathanasiou (known as Leo Leandros – composer pseudonym Mario Panas). She achieved worldwide fame after winning the Eurovision Song Contest in 1972 with the song "Après Toi" (representing Luxembourg).