Blake Shelton and Miranda Lambert shocked country music fans in July 2015 when they announced the end of their four-year marriage. “This is not the future we envisioned, and it is with heavy hearts that we move forward separately. We are real people, with real lives, with real families, friends and colleagues,” Shelton and Lambert told Us in a joint statement. “Therefore, we kindly ask for privacy and compassion concerning this very personal matter.” Days later, Lambert addressed the breakup during a Nashville show. “Well, I’ve been living off of caffeine and sad songs late...