Kacey Musgraves To Perform On 'Saturday Night Live' Austin, TX, United States / KOKE FM localnews@socastdigital.com Apr 19, 2018 | 10:55 AM A post shared by K A C E Y M U S G R A V E S (@spaceykacey) on Apr 18, 2018 at 11:19am PDT Kacey Musgraves has landed a spot as the musical guest on Saturday Night Live. Musgraves revealed the news via Instagram account on Wednesday, April 18 and she is scheduled to perform on Saturday, May 12th. MAY 12 #SNL A post shared by K A C E Y M U S G R A V E S (@spaceykacey) on Apr 18, 2018 at 11:09am PDT