The Boot News Roundup: Kacey Musgraves Will Guest Judge on ‘RuPaul’s Drag Race All Stars’ + MoreThe Boot News Roundup: Kacey Musgraves Will Guest Judge on ‘RuPaul’s Drag Race All Stars’ + MoreCountry star Kacey Musgraves will take her rhinestone-studded talents to the fourth installation of 'RuPaul's Drag Race All Stars'. Amy McCarthyAmy McCarthy