Popsugar Fashion Gwen Stefani Gwen Stefani's Christmas Tree Dress on The Voice Finale Gwen Stefani Dressed as a Christmas Tree on the Voice Finale, and, Well, She Made It Work December 15, 2020 by Yerin Kim View On One Page Photo 3 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Previous Next Start Slideshow Gwen StefaniHoliday FashionThe VoiceHolidayChristmas