Kim Jong-hyun (Hangul: 김종현; born June 8, 1995), more commonly known by his stage name JR, is a South Korean singer, rapper, actor and leader of the South Korean boy group NU’EST. He is also known for competing in the 2017 series Produce 101 Season 2.
JR first appearance was through Orange Caramel’s “Bangkok City” music video, and was first introduced toward public in the show Hello Counselor by Kahi together with Baekho. He was featured in Uee’s solo song “Sok Sok Sok”. JR also served as After School Blue back-up dancers for “Wonder Boy” music video and live performances together with NU’EST members and Seventeen’s S.Coups. In December 2011, JR and the other Pledis trainees dubbed as After School Boys performed together with After School on SBS Gayo Daejeon.
On 15 March 2012, JR debuted as the main rapper, main dancer, and leader of the South Korean boy group NU’EST.
JR participated in the reality television series Produce 101 Season 2 during the first half of 2017 and JR ranked 14th. Following the conclusion of Produce 101 Season 2, JR became a model for the cosmetics company Labiotte. He also joined the JTBC variety show Night Goblin as a fixed cast member and the tvN music show Shadow Singer as a judge.
On June 27, 2018, JR was confirmed as a member of Mnet’s new romance reality show Love Catcher . He will join the celebrity-studded cast alongside four others, including Shin Dong-yup and Hong Seok-cheon.