[13][14] Benee later became interested in writing and recording music at the age of 17,[10] after deciding that she did not want to pursue a career in water polo.

[13] Benee attended an all girls Catholic school, St Mary's College, where music was compulsory for four years.

[16] After dropping out of a communications degree at the Auckland University of Technology after two weeks, during what she called "a quarter-life crisis", she decided to enter the music business professionally.

[20] Under the moniker of "Bene", released her debut EP Fire on Marzz on 28 June 2019, before later adding an "e" because of "pronunciation woes",[21] and copyright issues.

[27] Benee also supported American singer-songwriter Conan Gray for nine nights of his Comfort Crowd Tour of North America during December 2019.

[30][31] On 31 January 2020, Benee guested on Australian youth broadcaster Triple J's segment Like a Version, where she covered British musician James Blake's "Mile High", in addition to a performance of "Glitter".

[32][33] In June, the song "Supalonely" clocked over 250 million streams, as well as gaining almost 7 billion plays in just one month in 2020, a year after she joined the platform.

[34] Shortly after, she made her television debut performing it on The Tonight Show Starring Jimmy Fallon alongside Gus Dapperton.

[47][48] In late October 2020, Benee released the single "Plain" featuring Lily Allen and Flo Milli, shortly before she was announced as the winner of the 2020 APRA Silver Scroll Award for the song "Glitter".

[65][66] Early 2023, February, would see Benee release the first single from her upcoming sophomore album, "Green Honda",[67] and would also lead to her debut performance at the 22nd Coachella Valley Music and Arts Festival in April 2023.

[74] In May 2024, it was announced that she would be joining Olivia Rodrigo on the Australian leg of her Guts World Tour,[75] as well as co-writing NewJeans' single "How Sweet," which was released the same month.

[76] In the summer, "Sad Boiii", the second single from her upcoming sophomore album was released,[77] followed by "Animal" in November, a song about "insignificant and small we are compared to the universe".