It probably would be surprising to anyone who would look at Rosé, with all your success, with the enormous fan base that you have, to know that you doubted yourself so much. I don’t think I ever learned or trained myself to be vulnerable and open and honest. So that was the part I feared, because it was the opposite of what I was trained to do.

K-pop star Rosé released a single and music video for "Number One Girl," a song from her debut solo album, "Rosie."