It was the worst mass shooting in U.S. history, and now we know exactly how it happened.
[Image via AP Images.]
The Bieby in red took the stage to finish off the show, performing his two singles, All Around The World and Boyfriend!!!
Check out the two show-stopping numbers (above)!!
Justin's upcoming album, Believe hits stores TOMORROW! Yes, Beliebers, the day will soon FINALLY be here!!!!