1. Kim Jong-hyeon, formerly known by his stage name JR, is a South Korean singer, songwriter and actor.

1. Kim Jong-hyeon, formerly known by his stage name JR, is a South Korean singer, songwriter and actor.
Kim Jong-hyeon is best known as the leader, main dancer and main rapper of South Korean boy group NU'EST.
Kim Jong-hyeon was a Pledis trainee for three years before debut.
Kim Jong-hyeon was featured in Uee's solo song "Sok Sok Sok".
On March 15,2012, Kim Jong-hyeon debuted as the main rapper, main dancer and leader of the South Korean boy group NU'EST.
Kim Jong-hyeon participated in the reality television series Produce 101 Season 2 during the first half of 2017 and he ranked 14th.
Kim Jong-hyeon joined the JTBC variety show Night Goblin as a fixed cast member and the tvN music show Shadow Singer as a panelist.
On June 27,2018, Kim Jong-hyeon was confirmed as a member of Mnet's new romance reality show Love Catcher.
Kim Jong-hyeon joined the celebrity-studded cast alongside four others, including Shin Dong-yup and Hong Seok-cheon.
In 2019 Kim Jong-hyeon became the brand ambassador of beauty brand Origins for South Korea.
In May 2022 Kim Jong-hyeon signed a contract with Evermore Entertainment as a solo artist and actor.
On December 28,2023, Evermore announced that Kim Jong-hyeon would released his second EP Brilliant Seasons on January 3,2024.