Blake Shelton and Miranda Lambert are officially single ... we've learned the judge just signed the divorce docs. TMZ broke the story Blake and Miranda are ending their 4-year marriage and Blake filed for divorce. We now know Blake filed his papers 2 weeks ago. It's ultimately up to the judge to make sure everything's kosher and the divorce will go through, and that has happened. Blake posted a pic just 2 days ago showing his wedding ring on the appropriate finger.