Shape in a retro yellow bikini.MORE: Selena Gomez sunbathes in retro bikini for poolside photo at LA homeThe Love Me Like You Mean It singer was kneeling on a pristine white bed in the eye-catching swimwear, flashing a sweet smile at the camera."Thrilled to be on the cover of @shape April issue chatting about finding peace in undone plans, finding less is more sometimes, and finding joy in doing things my way," the country singer captioned her post.WATCH: Kelsea Ballerini shows off killer shoe