Sulli showed her v-line.
On 17th, f(x)'s Sulli and INFINITE's Nam Woohyun appeared on SBS 'Music Trend' as special MCs.
As Lee Jong-seok asked how idol group members take care of their beauty, Sulli said, "I'm working on making v-line."
She appeared in a white blouse and dark blue skirt, and she showed her beauty.
On the other hand, Wonder Girls, Kim Janghoon, INFINITE, f(x), G.NA, TEEN TOP, and A-Pink appeared for performances.