Bird was born on 30 March 1999 in Hong Kong[2] to British and Filipino parents, though she also lived in Thailand and London while growing up.
[6] Soon after, Bird caught the attention of Jacob Epstein and Zack Morgenroth of Lighthouse Management & Media, and she signed with Interscope Records in 2021 before arriving in Los Angeles, having never been before.
[8] On 7 April 2023, Bird released her debut single "Wild Heart", described as "an infectious indie-pop romp" by Guitar World.
As a teenager, Bird's older sister introduced her to the likes of My Chemical Romance, Avril Lavigne, and Fall Out Boy.
[16] As she started playing guitar, Bird listened to alternative rock bands such as Blur, Kasabian, The Vaccines, and The Strokes.