Lee Sang-yeon (이상연; born November 4, 1996), known mononymously as Sangyeon (상연), is a South Korean singer-songwriter under IST Entertainment. He is the leader of the boy group THE BOYZ.
Birthday: November 04, 1996
November 01, 2021
December 05, 2021
December 03, 2022
May 21, 2023
August 07, 2022
December 03, 2023
December 05, 2020
September 19, 2020
January 17, 2023
April 12, 2023
May 31, 2021
April 30, 2020
April 01, 2021
October 28, 2023
August 10, 2024
August 23, 2017
May 17, 2019
February 26, 2018
January 09, 2018
May 12, 2018
April 05, 2015
August 05, 2019
August 31, 2020
November 18, 2020
February 14, 2020
July 23, 2018
February 23, 2021
May 20, 2021
January 18, 2018
April 17, 2013
October 02, 2020
February 05, 2020
November 27, 2018
October 29, 2005
April 15, 2011
August 18, 2019
June 14, 2019
February 12, 2018
October 31, 2018
June 22, 2019
June 16, 2020
October 16, 2018
April 21, 2020
July 23, 2011
September 13, 2019
December 04, 2019
June 28, 2021
March 21, 2018
August 04, 2020
July 04, 2017
March 13, 2020
March 10, 2017
November 18, 2020
February 14, 2012
October 14, 2021
October 06, 2021
August 06, 2021
June 23, 2021
January 08, 2023
October 25, 2019
April 09, 2022
November 22, 2010
August 28, 2022
July 24, 2021
November 19, 2021
November 03, 2013
November 19, 2021
February 23, 2022
September 06, 2023
November 18, 2023
November 23, 2023
July 25, 2020
April 04, 2015
August 21, 2020
October 27, 2023
May 20, 2022
July 23, 2018
September 02, 2022
April 27, 2023
June 14, 2023
March 31, 2024
February 22, 2022
March 07, 2024
November 17, 2022
April 09, 2019