Popsugar Entertainment Award Season Kacey Musgraves Grammys 2019 Performance Video Kacey Musgraves Illuminates the Grammys Stage With Her Beautiful Performance of "Rainbow" 11 February 2019 by Kelsie Gibson View On One Page Photo 2 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Previous Next Start Slideshow Award SeasonKacey MusgravesGrammy AwardsMusicTV