Jo In Sung and Song Jong Ki revealed to have attended Lee Kwang Soo's younger sister's wedding

Jo In Sung and Song Joong Ki prove their close frienship with Lee Kwang Soo by attending the star's younger sister's wedding.

According to various sources, the wedding ceremony was taken place on March 28th with the attendance of Ji Suk Jin, Kim Jong Kook, Jo In Sung, Song Joong Ki. Many photos taken by the attending guests were shared on SNS and soon captured the attention of netizens.

Lee Kwang Soo has gained much popularity in Asia thanks to being a member of SBS's 'Running Man'.