Popsugar Entertainment Fall Tv Who Has Been Unmasked on The Masked Singer Season 4? A Guide to Who Has Been Unmasked on The Masked Singer Season 4 December 16, 2020 by Kelsie Gibson View On One Page Photo 18 of 29 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 18 Watch the Serpent Reveal Previous Next Start Slideshow Fall TVTVThe Masked Singer