Lee Sangmin, who recently got remarried after two decades, will celebrate his wedding with an afterparty on the variety show 'Knowing Bros' on JTBC.

The production team of Knowing Bros revealed on May 28 that Kim Jihyun, Chae Rina, Kim Jin, and Lee Jihye will make appearances on the show to congratulate Lee Sangmin on his recent marriage registration.

Among the guests, Kim Jihyun and Chae Rina were Lee Sangmin's former Roo’ra bandmates, while Kim Jin and Lee Jihye were members of Diva and S#arp, respectively - both groups produced by Lee. The four have shared a close friendship with Lee for many years.

The upcoming episode will showcase a special wedding celebration for Lee Sangmin, including congratulatory performances by his friends and the cast of Knowing Bros. The broadcast, scheduled for June, will also feature other special guests joining the festivities.

Lee Sangmin was previously married to Lee Hyeyoung in 2004 but the marriage ended in 2005. Hyeyoung remarried in 2011 and has shown support for Sangmin's new marriage. Lee and his new spouse, who is a decade younger, started dating earlier this year and officially married on April 30 through a marriage registration process, foregoing a traditional wedding ceremony.