"Haru Haru" (Korean: 하루하루; lit. Day by Day) is a song by South Korean boy group BigBang. Released through YG Entertainment on August 8, 2008, as the lead single for their third extended play Stand Up, it became one of their most popular singles and one of South Korea's best-selling songs, besides being regarded as one of the most influential singles to come out of Korean pop music. A Japanese version of the song was included in their third Greatest Hits album The Best of Big Bang (2011) and in the Japanese version of Alive (2012).