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Speaking of Billie Eilish, after a killer 2019 that saw her debut album When We Fall Asleep, Where Do We Go? become the year's best-selling, she went on to become only the second person ever—and, at just 18, the youngest—to win all four main Grammy categories (Best New Artist, Record of the Year, Song of the Year and Album of the Year) in the same year during the 62nd Grammy Awards in early 2020.