He was taking part in a press conference before beginning military service. His dancing video has gone viral since August 5.
Despite a less-than-smooth performance, fans still very much appreciated his efforts and cheered for their idol.
"God gave this man everything except a talent for dancing," joked one commenter on social media.
The previous week, K-pop sensation Blackpink also performed a dance cover of "See Tinh" during their concerts in Hanoi on July 29-30.
"See Tinh", a song by Vietnamese singer Hoang Thuy Linh, has not shown any sign of cooling down even though it was released more than a year ago.
Lee Do-huyn dances to See Tinh in a press conference
Many Asian celebrities hae claimed to love the song, such as volleyball star Lee Da-hyeon, singers Seung Hoon and Shindong, and Chinese actress Zhu Xudan.
The song has also appeared on Chinese reality shows like "Sisters Who Make Waves" and "Hello, Saturday".
Lee made his acting debut in 2017 and has starred in TV series such as "Hotel del Luna", "18 Again", and "The Glory".