Singer Miranda Lambert has further dismissed reports her marriage to Blake Shelton is on the rocks, insisting divorce is "not an option" for the couple.

The stars hit the stage together at the Academy of Country Music Awards on Sunday (07Apr13) to pick up the Best Song trophy for their collaboration Over You and appeared to be very much in love, contradicting tabloid gossip suggesting they're heading for a break-up.

And, just to hammer home the fact they're together forever, Lambert tells, "Like I always say, my mum said to my dad, 'Divorce is not an option.' So, we really love each other and have a real marriage outside of all of this.

"When this is all said and done, we will be drinking a beer together on a front porch somewhere, reminiscing about the good old days, and that's what I'm happy about."

But she admits marriage is difficult when you're one half of a country superstar couple trying to make a life together: "It's not easy all the time being on opposite sides of the country and, you know, travelling and all that, but when you get to celebrate moments like this at the Academy of Country Music Awards together and when you go through the hard stuff together, those are the moments that actually count. All the rest is fluff."