Popsugar Celebrity Red Carpet The Best Moments From the Billboard Music Awards Why the Billboard Music Awards Are Always a Must Watch May 17, 2015 by Ryan Roschke View On One Page Photo 5 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Katy Perry Brought Her Grandmother as Her Date in 2012 Previous Next Start Slideshow Red CarpetBillboard Music AwardsAward Season