30 Jan – After two years of relationship, South Korean actor Song Seung-heon and Chinese star Crystal Liu Yifei recently revealed that they have decided to call it quits. As reported on Sina, the news was first broke by a source close to the actress, saying that the couple had been very busy with their work that they gradually drifted apart from each other. However, it took them quite a while before the lovebirds finally decided to break up.