Singer and actor best known as a member of SHINee, a South Korean boy group, in which he serves as the maknae, main dancer, and a vocalist. In 2016, he made his Japanese solo debut.
He found success in 2005 when he was discovered at the 2005 S.M. Open Weekend Audition Casting. He joined SHINee in 2008.
His acting debut came in 2009 in the comedy film "Tae Hee, Hye Kyo, Ji Hyun," which premiered on MBC.
His family was residing in Seoul, South Korea, when he was born.