Looks like the trend of older woman dating younger man is the in thing right now. Actor Ahn Yong Joon (21) became the latest person to join the noona club after it was revealed that he is currently in a relationship with the older sister of KBS2TV Star Golden Bell host, Lee Chae Young. This relevation came about when Ahn Yong Joon appeared on the 30th May episode of Star Golden Bell where he appeared unusually shy and reserved during the recording. Host, Jeon Hyeon Mu asked during the show, "Heard that there's something special between Ahn Yong Joon and Lee Chae Young?". Lee Chae Young who is a year older than Ahn Yong Joon immediately confessed, "Ahn Yong Joon is my sister's boyfriend", which shocked everyone who was on the show. Apparently, Ahn Yong Joon have been dating Lee Chae Young's older sister for over a year now who is working as a VJ and is known as Seo Seung Ah (real name: Lee Na Young). Ahn Yong Joon who is younger than Seo Seung Ah by 4 years, had met each other through an acquaintance during a birthday party and swiftly proceeded into a dating relationship. Seo Seung Ah has also confirmed this through her Cyworld as well. Wishing them all the best! Where's my nuna?