Hannah Montana is a trendsetter. (9/9/2014)
The Carters' kiss, Nicki's wardrobe malfunction and more buzzworthy moments.
The racy visual attracted 19.6 million views in just 24 hours.
These celebs inspired university-level study of their art and impact.
Viral posts from Rihanna, Drake, Kanye West and others.
"Give me one good reason..." the YMCMB Barbie tweets about the "We Can't Stop" singer's new avi.