Used to Be (Steve Aoki and Kiiara song)

"Used to Be" is a song by American DJ and producer Steve Aoki featuring vocals from American singer Kiiara. It was released on March 2, 2018, as a single from Aoki's fifth studio album, Neon Future III. The song is an electronic dance music (EDM) track characterized by its synth-heavy production and Kiiara's distinct vocal style. Lyrically, "Used to Be" explores themes of past relationships and the emotional distance that develops between people who were once close. It gained moderate commercial success, appearing on various dance music charts.