The superstar couple confirmed divorce reports on Monday (20Jul15), and claims of infidelity subsequently surfaced online, linking Lambert to her frequent tour opener Young.
The gossip prompted the Gettin' You Home hitmaker to take to Instagram.com and shut down the speculation.
In the post, he writes, "I don't normally address gossip but in this case I will. My name has been mentioned as a contributing factor in Blake and Miranda's divorce. That is totally FALSE.
"They are both my friends and I would not betray that friendship. Just wanted to clear that up. Love you guys."
Shelton quietly filed papers in an Oklahoma court on 6 July (15) and the divorce was finalised this week (begs20Jul15).