"Used to Be" is a song by American DJ and producer Steve Aoki and American singer-songwriter Kiiara, featuring American rapper Wiz Khalifa. The song was released on March 19, 2021, via Big Beat.
"Used to Be" contains a sample from Matchbox Twenty's single "Unwell" (2003), from which the title is derived.
The music video was directed by Noah Sterling and animated by Dreambear. Aoki, Kiiara and Khalifa fighting with an evil villain to save their "galactic city".
On April 6, 2021, an acoustic version of the song with Aoki, Kiiara, and Rob Thomas from Matchbox Twenty instead of Khalifa was released.
Credits adapted from Tidal.