Duo originally finding fame as members of the popular K-pop boy band Big Bang that went on to win a YouTube Music Award, Melon Music Award and multiple Melon Popularity Awards in 2015. Their song "Good Boy" topped Billboard's "World Digital Songs" chart.
The duo originally planned to debut as a hip-hop group with the name GDYB after meeting as 13-year old trainees. Before they were able to do so, YG Entertainment selected them to be members of Big Bang.