Kiiara grew up in Wilmington, Illinois. She attended Wilmington High School where she played for the school's volleyball team. While recording her breakout EP, she also worked as a hardware store clerk.
Recording under her real name, Kiara Saulters independently released an acoustic pop single in 2013 entitled "Bring Me Back".
After being signed under Atlantic Records and changing to her stage name, Kiiara released her debut single "Gold" in June 2015. It peaked at number five in the Australian charts where it was certified Platinum. Her debut EP, low kii savage, was released on March 22, 2016. The official music video for "Gold", published on March 21, 2016, quickly garnered popularity and reached five million views by mid-May, 2016.
"Gold" was chosen as background music of a 15-second Apple Watch commercial titled "Style" in 2015. There were a range of Apple Watch ads released at a similar time all relating to different features of the watch.
Kiiara also has a SoundCloud page where she posts her songs. She often releases new songs on the site before on iTunes and Apple Music or Spotify.