SISTAR member Dasom and f(x) Sulli revealed their "shot of proof" for being best friends.

On July 14, Dasom posted on the official SISTAR Twitter "Sulli and Dasom >3< My best friend peach Sulli is so cute... kkkkk///0///", along with the following photo.

In the revealed photo is Dasom posing with Sulli while looking at the camear. The two who are a year apart, are known to have become friends through appearances on various shows.

Photo Credit: SISTAR Twitter