Kim Young Kwang says he knew Ma Dong Seok was dating Ye Jung Hwa before the news made headlines!

Before Kim Young Kwang started working on the drama 'The Man Who Lives in Our House', he wrapped up filming a new film, 'Wonderful Life', with co-star Ma Dong Seok. Kim Young Kwang revealed that this was when he found out about their relationship. 

SEE ALSO: Stella Jang describes how she dreamed of becoming a rapper while listening to Big Bang's songs

To Joy News, Kim Young Kwang explained, "Ma Dong Seok hyung randomly came up to me and just told me. She visited the set and even made an appearance in the movie. So that's when I heard about it, and I kept it a secret."

Sounds like Ma Dong Seok and Ye Jung Hwa weren't very secretive!