Na Hye-mi 'Lovely smile on the way to work' on March 02, 2019 KBS 2TV Happy Together Season 4 recording was held at the KBS annex in Yeouido-dong, Yeongdeungpo-gu, Seoul on the morning of March 2.On this day, Jung Jae-soon, Lim Ye-jin, Lee Hye-sook, Yui, Na Hye-mi and Park Sung-hoon attended.Lee Jae-ha