Olga Yurievna Seryabkina ( ; born 12 April 1985 ) is a Russian singer-songwriter . She used to be a member of girl group Serebro , which won third place in the Eurovision Song Contest 2007 until 2019 , after confirming that she will leave the group in 2019 , being the last of the original line-up to do so
Eurovision Song Contest 2007
Eurovision Song Contest 2007
Olga Seryabkina