It’s not “Too Good to Be True” — Kacey Musgraves just blessed us with a stripped-down snap! On Thursday, June 13, the country star nearly broke the internet after taking to her Instagram Story with a stunning photo of her completely naked body. Musgraves appeared to be preparing for a new project she was shooting, as she was covered in either real mud or makeup while snapping a mirror selfie in a trailer where someone was helping the “Follow Your Arrow” singer get picture-ready for an apparent photoshoot or potential filming of a new music video. The 35-year old let the picture do the talking …