Кристиан Константинов Костов Latin Script Kristian Konstantinov Kostov Born On 15 March 2000 In Moscow Russia Is A Bulgarian Singer And Songwriter. He Was A Finalist In Season One Of The 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.