Byun Baek-hyun (born May 6, 1992), better known mononymously as Baekhyun, is a South Korean singer, songwriter, and actor. Baekhyun began training under SM Entertainment in 2011. A few months later, he made his debut in 2012 as a member of the South Korean-Chinese boy group Exo, its sub-group Exo-K and later on its sub-unit Exo-CBX. He is also the leader of South Korean supergroup SuperM.
Following the release of several albums and extended plays with Exo, Baekhyun pursued a solo career in 2019, releasing his first extended play, City Lights. The EP was a commercial success, selling more than half-a-million copies in 2019, and becoming the best-selling album by a solo artist of the 2010s in South Korea. City Lights was followed by his second EP, Delight (2020), that garnered sales of over 1 million copies, becoming first album by a solo artist in South Korea to do so in 19 years. Labeled as the "Genius Idol", Baekhyun's vocal skills have been admired by music critics and he is regarded as one of the best vocalists in South Korea.