Singer�JJ is quickly gaining a lot of attention on the community boards, thanks to a video from her pre-debut days. She previously headlined for being a 'Bundang Ulzzang' alongside actress Lee Yeon Hee, who's also her high school classmate. JJ's reputation is quickly expanding to something more than 'just a pretty face', as the video shows her dancing passionately to upbeat music in casual attire. The popularity of the video caused video portal site "M Goon" to crash upon its release.�In fact, view counts are still exploding! Netizens commented, "She was perfect at dancing even prior to debut", "An ulzzang and even a hot body with abs, where was she all along?", and "She's so innocent looking but is still able to pull off such sexy dances too." Check it out below! JJ will be releasing her second single album next month. Source: Sports Chosun