Photos of 2013 Billboard Music Awards

<div class="meta image-caption"><div class="origin-logo origin-image ap"><span>AP</span></div><span class="caption-text">Justin Bieber performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 19, 2013 in Las Vegas. (Chris Pizzello&#47;Invision)</span></div>
May 20, 2013 2:31:48 AM PDT