Age ain't nothing but a number. In Billie Eilish's case though, it's a big deal.
원문출처 : https://www.cnn.com/2019/04/09/entertainment/billie-eilish-no-1-album/index.html
원문출처 : https://www.cnn.com/2019/04/09/entertainment/billie-eilish-no-1-album/index.html