Rookie girl group Dal Shabet had a member who used to be a back-up dancer for Seo In Young! As a Star Empire trainee, Vicky has been a discreet part of the K-pop world since 2007, by acting as a back-up dancer for Seo In Young, Jewelry, and V.O.S. She could be found in the videos for Jewelry's "One More Time" and Seo In Young's "Cinderella." Vicky revealed in a recent interview, "When I worked as a back-up dancer, I had a really hard time because of the hectic schedule. But I learned a lot through the experience. Because of that experience, I have been able to be confident on stage with Dal Shabet." With all that accumulated experience, she was able to become the leader of one of K-pop's freshest idol groups. Check her out in "Cinderella" below! Source: DongA via Nate