Popsugar Fashion Summer Lollapalooza Festival Style 2017 18 Style Moments From Lollapalooza That We're Still Obsessing Over August 8, 2017 by Quinn Keaney View On One Page Photo 9 of 17 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 While performing at the POPSUGAR x Starbucks Refreshers party, Betty Who rocked a strappy, low-cut dress in dusty rose. Previous Next Start Slideshow SummerStreet StyleLollapaloozaMusic FestivalsStyle How-To