"I Love You" is a song recorded in two languages (Korean and Japanese) by South Korean girl group 2NE1. The Korean version was released on July 5, 2012, through YG Entertainment, while the Japanese version was released on August 29 of the same year by YGEX as the group's third Japanese single.
On May 21, 2012, an official from YG Entertainment revealed that 2NE1 had recorded seven new songs produced by Teddy Park and planned to release a new Korean album in mid-June. After a month with no news, however, YG announced via YG Life on June 29 that 2NE1 would make a comeback with a new single titled "I Love You" on July 5, 2012, marking their first Korean language single since "Ugly" in a year. The agency also announced initial plans for the release of a new single every three weeks, leading up to a new album. "I Love You" was subsequently released for digital download and streaming as a single on July 5. The song was produced by Teddy Park, who had worked on many of 2NE1's previous material—including "Fire" (2009), "Go Away" (2010) and "I Am the Best" (2011)—and was co-written by Park and Lydia Paek.
The Japanese version of the single was first made available digitally on August 29, 2012 in Japan and was subsequently released as the group's third Japanese CD single on September 19 through YGEX—a joint venture between YG Entertainment and Avex. The Japanese lyrics were co-written by Keisuke, Tatsuji Ueda, Sunny Boy and Izumi Soratani. It was physically distributed in two formats: a CD-only regular edition and a CD + DVD limited edition bundle. "I Love You" was later included on the Japanese edition of 2NE1's second studio album titled Crush, which was released nearly two years later on June 25, 2014.
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