Illusion was a song that was played at the Eurovision contest held in what most populous city in Russia?
Illusion (Krassimir Avramov song) "Illusion" is a song performed by Krassimir Avramov. The song represented Bulgaria at the Eurovision Song Contest 2009 in Moscow, Russia.
Polina Gagarina Polina Sergeyevna Gagarina (Russian: Поли́на Серге́евна Гага́рина ; ] , born 27 March 1987) is a Russian singer, songwriter, actress and model. She represented Russia in the Eurovision Song Contest 2015 with "A Million Voices" where she finished second.