According to the latest issue of Life & Style, it's all over for Blake Shelton and Miranda Lambert .
How do we know? Because the cover headline below screams IT'S OVER for the First Couple of Country Music.
"Miranda gave him an ultimatum to shape up or ship out," a source supposedly told the magazine. "She told him she wanted to start trying for a baby soon, but that he had to clean up his act first."
Of course, this same publication says Blake and Miranda are already having a baby, so...