Brave Girls, now known as BB Girls, is a South Korean girl group that originally debuted under Brave Entertainment in 2011. The group started with five members, but over the years, there have been several lineup changes.

Despite facing initial challenges and struggling with popularity, Brave Girls experienced a massive surge in recognition in 2021 with their hit song "Rollin'". This track went viral on various platforms, bringing them sudden fame and success, much to the surprise of many in the K-pop industry.

"Rollin'" quickly became a smash hit, and its catchy melody and charismatic music video helped solidify Brave Girls (now BB Girls) as one of the hottest girl groups in the Korean music scene. Their unexpected rise to fame after years of hard work was celebrated by both fans and critics, and their story became one of perseverance and resilience.

The group's transformation into BB Girls is symbolic of their growth and rebirth, marking a new chapter in their career. Their journey is an inspiring one, showing that even after years of struggle, success can come when least expected.