She rose to fame in 2022 when her song "Complex" went viral on TikTok.

[1][2][3] In 2021, while attending university, she independently released her debut EP Games I Play with that track.

[4] On August 4, 2022, Gregson-MacLeod posted a short video of part of her song "Complex" on TikTok.

[7] She signed with Columbia Records and released the EP Songs Written for Piano on that label later that year.

[5] "Complex" was nominated for Best Song Musically and Lyrically at the 2023 Ivor Novello awards.