The official diamond award was unveiled by the Recording Industry ... "Call Me Maybe" by Carly Rae Jepsen 9. "Uptown Funk" by Mark Ronson featuring Bruno Mars 10. "Roar" by Katy Perry "Fireflies ...

The official diamond award was unveiled by the Recording Industry ... the third-most of any artist in history: "Uptown Funk," "Just the Way You Are," "Grenade," "That's What I Like," "When I ...