Ryeowook (27) will SING the congratulatory song at fellow Super Junior memberSungmin (28)'s wedding!

According to multiple BROADCAST insiders in an exclusive by Star News on the 10th, it's been revealed that Ryeowook will sing the congratulatory song at Sungmin and musical ACTRESS Kim Sa Eun (29)'s wedding at The RAUM in Yeoksamdong, Seoul on the 13th. A source close to Sungmin told Star News, "Ryeowook will be singing to congratulate Sungmin on his MARRIAGE."

Brad Little, Lee Gun Young, and Seo Ji Young will also sing at the private event, which will be ATTENDED by families, friends, and fellow celebrities.

The WEDDING INVITATION of the beautiful couple has also been revealed to a media outlet, so check it out below.