The couple's wedding was held in Seoul, Gangnam on the night of January 6. The news regarding the couple was unveiled last September.
The two first met in 2015 at a gathering and their love began to blossom. The bride is said to be pregnant and is expecting in mid-May.
The singer included a photo of him and his girlfriend in his 13th title song, "Love I Committed," music video which stirred much attention.
Meanwhile, numerous guest stars attended the singer's wedding, such as Oh Ji Ho, Byun Jung Soo. Other attendees included boy group U-KISS and girl group LABOUM, along with veteran groups such as DJ DOC and Leessang.
Yoo Hee Kwan of the Doosan Bears, and singers K.Will and Wheesung sang the congratulatory song.