Popsugar Living Halloween When Will Starbucks Halloween 2021 Cups Be Available? Psst . . . Starbucks Halloween Cups Are Available in Stores (and Some Glow in the Dark!) September 15, 2021 by Haley Lyndes First Published: August 25, 2021 View On One Page Photo 4 of 8 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Abby (@katpaperlove) Share This Link Copy ← Use Arrow Keys → 4 Previous Next Start Slideshow HalloweenFood NewsStarbucksFall