Congratulations are in order for Justin Bieber, One Direction and Taylor Swift -- they're the three highest-earning artists under 30, according to Forbes.
EDM superstar DJ Avicii has revealed that he will be collaborating with several rock stars for his new 2014 album. Some of the names he's working with for the album include Green Day's Billie Joe Armstrong, Coldplay's Chris Martin and Jon Bon Jovi.