Adele is a British singer-songwriter who rose to fame in 2008 with her debut album, 19. In 2011, she released her second album, 21, which was an international success and won numerous awards, including the Grammy Award for Album of the Year. The album spawned the hit singles 'Rolling in the Deep', 'Someone Like You' and 'Set Fire to the Rain'. 21 has sold over 30 million copies worldwide, making it one of the best-selling albums of all time.