Popsugar Entertainment Award Season Kacey Musgraves iHeartRadio Music Awards Performance Video Kacey Musgraves's iHeartRadio Performance With Chris Martin Will Send You Over the Rainbow 15 March 2019 by Kelsie Gibson View On One Page Photo 10 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 Previous Next Start Slideshow Award SeasonIHeartRadio Music AwardsKacey MusgravesMusicTV