Кристиан Костов (Latin script: Kristian Kostov; born 15 March 2000 in Mosco… Read Full Bio ↴Кристиан Костов (Latin script: Kristian Kostov; born 15 March 2000 in Moscow, Russia), is a Bulgarian-Russian singer-songwriter. He was a finalist in season one of The Voice Kids Russia and a runner-up in the fourth season of X Factor Bulgaria. He represented Bulgaria in the Eurovision Song Contest 2017 with the song "Beautiful Mess", finishing 2nd. In January 2018, Kostov won the EBBA Public Choice award.

In 2019, Kostov and fellow Eurovision alum Polina Gagarina competed in the seventh season of Hunan Television's singing reality-competition Singer (previously I Am a Singer). He did not win, but he expanded his following beyond Europe.