Cezar is the stage name of Romanian opera countertenor, singer and pianist Florin Cezar Ouatu.
After appearing in several operas, he represented his home country in the Eurovision Song Contest 2013 in Malmö with the song "It's My Life" and finished in 13th place in the final.
He made a return to UK TV screens during the fifteenth season of The X Factor, reaching the Six Chair Challenge before being eliminated.