(credits goes to Twitter user @ ggyyyyy_bang)

On Sep 1, Day 2 of Taeyang’s ‘THE LIGHT YEAR’ solo concert tour, fans are surprised by the reunion of BIG BANG on stage.

VIPS (BIG BANG’s fandom name) took to social media to share fancams, with many gushing over their excitement to see the group perform.

Echoing the fans’ excitement, Taeyang, G-Dragon, and Daesung perform the upbeat “WE LIKE 2 PARTY.”

G-Dragon also joins Taeyang on stage for “GOOD BOY,” the representative duet in K-pop history.

SEE ALSO: The Art of Words: Ten Memorable Quotes from BIGBANG’s Lyrics