After signing with Interscope Records in 2019, she gained recognition after releasing her debut extended play, Minor (2020), and its follow-up, This Is What It Feels Like (2021), alongside various singles including "I Miss You, I'm Sorry".

[8] After graduating from high school in 2018, Abrams studied international relations at Barnard College in New York, but dropped out after freshman year to focus on music.

[9] In July 2020, Abrams released her debut extended play, Minor, which saw her collaborating with producers such as Joel Little and Blake Slatkin.

[17][18][19] In support of the EP, she embarked on the This Is What It Feels Like Tour, which started on February 2, 2022, in Salt Lake City and concluded on May 31, 2022, in Stockholm.

[31] Abrams was featured on a remix of the song "Everywhere, Everything" by Noah Kahan, which was released on December 1, 2023 and marked her first entry on the US Billboard Hot 100 at number 79.

[38][39] "That's So True" was released as a single from the deluxe edition of The Secret of Us on November 6, 2024;[40] it peaked atop the national charts of Australia,[41] Canada,[42] Ireland,[43] New Zealand,[44] and the United Kingdom.

[39][46] Abrams collaborated with Swift on "Us", which was released as part of The Secret of Us,[47] and was nominated for Best Pop Duo/Group Performance at the 67th Annual Grammy Awards.

[48] Abrams has cited Swift, Joni Mitchell, Simon & Garfunkel, Elvis Costello, Bon Iver, Elliott Smith, Kate Bush, the 1975, James Blake, Lorde, Metric, the Killers, and Phoebe Bridgers as her musical influences.

"[60] After a leaked draft opinion showed that the U.S. Supreme Court was planning to overturn abortion legality established in Roe v. Wade, Abrams was among 160 musical artists including Olivia Rodrigo, Clairo, Lorde, Billie Eilish, Megan Thee Stallion, Halsey, and Phoebe Bridgers that signed a full-page ad in The New York Times in May 2022 condemning the planned Supreme Court decision.

[61][62] In July 2022, Abrams released a limited-edition T-shirt whose complete sale proceeds would go to the National Network of Abortion Funds.

Abrams said that while this is "only a small part in a massively anti-democratic effort that is underway in this country", she believes that she can "use [her] platform to amplify the experts in this moment".