Biography: Stefan Airapetjan (Armenian: Ստեֆան Հայրապետյան, romanized: Stefan Hayrapetyan; born 24 December 1997), known simply as Stefan, is an Estonian singer and songwriter, best known for winning the first edition of Maskis Laulja, the Estonian version of Masked Singer in 2020 and representing Estonia in the Eurovision Song Contest 2022 with the song "Hope", placing 13th in the final.