This scandal caused the group's popularity to decline although they were still one of the most well-known girlbands in Korea. News Celebrity The member of girlband T-ara and the third winner of 'Superstar K 4' are said to have been dating for a month. Apr 19, AceShowbiz - Jiyeon of T-ara and Jung Joon Young are rumored to be dating, causing fans to be incredibly surprised since the two have never shown if they know each other. Fans also think that his girlfriends must be quite lucky because Joon Young is a super romantic guy. He replied that he thinks of her all the time and especially when he listens to the songs he composed as they were all inspired by her.