Billie's early life was filled with music and creativity. Homeschooled by her parents, she spent much of her childhood exploring her artistic talents. Her brother, Finneas O'Connell, also played a significant role in her musical journey, often collaborating with her on songwriting and production.
At the age of 13, Billie released "Ocean Eyes," a track produced by Finneas that quickly gained traction online. This marked the beginning of her rise to fame, showcasing her distinctive voice and emotive songwriting.