Popsugar Beauty Hair See Halsey's Undercut Haircut During SNL Performance Halsey's SNL Performance Was Perfect, Right Down to Their New Undercut Haircut 11 October 2021 by Jessica Harrington View On One Page Photo 1 of 3 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Previous Next Start Slideshow HairCelebrity BeautyHalseyHaircutsBeauty NewsCelebrity Hair