Adele is a British singer-songwriter who rose to fame in 2008 with her debut album, 19. In 2015, she released her third studio album, 25, which became the best-selling album of the year and one of the best-selling albums of all time. The album spawned the hit singles 'HELLO' and 'When We Were Young'. 25 was certified diamond in the United States, making ADELE the only artist to achieve this milestone with two albums.