Popsugar Fashion Red Carpet Grammys 2015 Red Carpet Dresses The 2015 Grammys Looks So Memorable, We're Still Talking About Them February 15, 2016 by Kate Schweitzer View On One Page Photo 25 of 41 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 25 Sia Alongside dancer Maddie Ziegler, Sia wore a black custom Giorgio Armani cape over black cigarette pants. Previous Next Start Slideshow Red CarpetGrammy AwardsAward Season