Number One Girl is a song by New Zealand and South Korean singer Rosé. She is the main vocalist (主唱) of the K-pop group Blackpink. The group has many famous songs, such as DDU-DU DDU-DU, How You Like That, and Pink Venom. The K-pop star started her solo career (单飞) with the album rosie in 2021. Number One Girl is full of feelings. It tells about wanting to be loved and accepted (接受). Rosé said her “number ones” are her fans.