Justin Bieber: Justice World Tour
Beliebers, are you out there? Although most Justin Bieber fans at this point have reached adulthood, many of his fans are a new generation who have latched on in recent years, with top 40 radio hits like "Yummy" and "Peaches" as well as unexpected gospel anthems like "Holy." Love him or hate him, you can't help but acknowledge his pop culture impact or his fascinating public relationship with model Hailey Bieber.