Vassy, born Vasiliki Karagiorgos on 18 February 1983 in Darwin, Northern Territory, Australia, to Greek immigrant parents, began her career in indie pop before transitioning to dance and EDM in the early 2010s after moving to Los Angeles. She gained international recognition through collaborations, including the 2014 single 'Bad' with David Guetta, which topped charts in over 30 countries, achieved 17-times platinum status, and amassed over 2 billion streams. Her achievements include eight Billboard #1s on dance charts, multiple multi-platinum records, the NMPA Platinum Songwriters Award, and being the first woman to win the EDMA Icon Award in 2023. She has performed on tours such as with Aqua and at events like Ultra Music Festival, delivering high-energy live sets known for her powerful vocals in the dance music scene.