5. One Direction
Reps: London, England
Pubescent, screaming girls worship at the tear-soaked altar of this new-age British boy band. On the heels of their 2011 triple platinum set Up All Night, this Simon Cowell creation followed up their introduction with their second no. 1 release Take Me Home. Pros: The five-member One Direction have been a global touring juggernaut as their upcoming 2013 trek is already sold-out. Cons: The more popular, cutesy act makes their older rivals sound like the Beatles.