Halle Lynn Bailey was born in Mableton, Georgia. Growing up alongside her sister Chloe, Halle's early life was marked by a shared passion for music, nurtured by their parents who recognized and encouraged their burgeoning talent. This early environment laid the foundation for their future success as a musical duo.

Halle and her sister Chloe started posting covers of pop songs on YouTube. Their interpretations of songs by artists like Beyoncé quickly gained traction, showcasing their harmonizing skills and unique musical arrangements. This online presence served as their initial platform, attracting a loyal fanbase and industry attention.