On January 18, the founder of YG Entertainment posted a video clip via Instagram capturing the delightful moment.
Members G-Dragon, Seungri, Taeyang, and Daesung are singing "Happy Birthday" loudly in unison while dining at a fancy restaurant with a decorated cake at the center.
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During their serenade, the boys included "Hyun Suk hyung" instead of "Chairman" illustrating their close bond.
The caption read, "#BIGBANG, #thanksguys, #letsgoforanother20years, #mymostlovely_deardongsaengstogetherforthelongesttime_bigbangandteddy #yg," demonstrating his thankful heart.