Adele's new sophomore album '25' has sold 3.38 million copies in its first week, smashing single week sales records, according to Nielsen Music.
South Korean rapper PSY is set to release his first album since becoming an international sensation more than three years ago with the smash hit 'Gangnam Style.'
The gravel-voiced singer is hitting the road with his new band, The BFG's. Gibbons released his Latin-infused solo debut 'Perfectamundo' earlier this month.
Which of Billboard's top music stars under 21 is your favorite?