Kim Sejeong (김세정) born August 28, 1996 is a South Korean singer and actress under Jellyfish Entertainment. She is known as the second winner of Produce 101 organized by Mnet. She is a former member of the girl groups I.O.I and Gugudan. She was the MC for the variety show Talents for Sale in 2016. Kim Sejeong is a very talented actress and singer, she is loved by many.