Born and raised in Phoenix, Arizona, Upsahl started playing both the guitar and piano at the age of five.

Upsahl played the McDowell Mountain Music Festival in 2017, opening for The Shins, Beck, and Flume,[3] and released her first single, "Can You Hear Me Now", that year.

[9] This was followed by the singles "People I Don't Like" and "MoneyOnMyMind", both songs were included on her second EP, Young Life Crisis.

[11] Upsahl toured as an opening act for Olivia O'Brien in 2021, for Yungblud and FLETCHER in 2022 and for Tove Lo, and Melanie Martinez in Europe, the UK and Australia, in 2023.

[12] In July 2023, Upsahl featured in a different version of K-pop girl group Le Sserafim's song Eve, Psyche & the Bluebeard's Wife.