On January 25, 1TYM (YG group from the 90's) member Song Baek Kyung shared a photo of the couple's wedding invitation via Instagram and wrote, "Little 5th grader Youngbae whoM I first met at a practice room in the basement surprised all by growing up to be a Big Bang member... and now he has gone beyond surprising and making me touched and proud by getting married and starting a family." 

He added, "I found the beautiful wedding invitation for Song Baek Kyung and Oh Jin Hwan when I arrived at the office. I'll sincerely congratulate you with all my heart. Youngbae!!!"

SEE ALSO: Kim Soo Hyun will skip filming 'Good Day,' likely to exit show amid controversy

The wedding invitation lists Youngbae as the groom and Eun Ran (Min Hyo Rin's legal name) as the bride. The invitation includes the message, "Two are better than one; because they have a good reward for their labour."

The celebrity couple's private wedding will take place on February 3.