Vicky Leandros
Also, Dima Bilan appeared in the Eurosong 2013 - a MAD show (the national selection of Greece) as a guest, along with other 5 Eurovision winners, which include Ruslana, Marija Šerifović, Alexander Rybak, Helena Paparizou and Vicky Leandros, in order to choose the artist and the song that would have represented Greece in the Eurovision Song Contest 2013 in Malmö.