and YES ! yes they are dating.
YG Entertainment confirms the relationship between two of their actors by saying “They were really close friends since they were models and their friendship has been growing ever since. It is true that they are now in a relationship and happily dating.” Another source from YG Entertainment also added that “After checking with Lee Sung Kyung and Nam Joo Hyuk, they confirmed that after being close friends since their modeling days, the pair recently developed romantic feelings for one another and are dating well now.”
The couple first co-star a television series under MBC Production titled “Weightlifting Fairy Kim Bok Joo” and before that the also star TvN’s drama series “Cheese in The Trap“. The suspicious started after post on Instagram account of Lee Sung Kyung when she attended Coldplay’s Concert in Korea. In the picture, you can barely see Nam Joo Hyuk because it’s been blurred but the “detective” eyes of netizen confirms this is true.
In the spirit of opening about relationship in the world of entertainment, Dispatch also releasing dating photo of the new model turned actor couple. They were seen several time going on a date using “ninja style” a common tactic to not reveal their faces. There are many comments stating that they fall in love while filming drama and even ad-libbed one of their kisses. They have many similarities between them, working as labelmate under YG and pursuing a same path as model then turned actor. Well, Congrats on the relationship!