Even when they're out on tour, Miranda Lambert and Blake Shelton just can't stay away from each other.

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The married country stars combatted the everlasting wave of divorce rumors when they appeared on stage together in Oklahoma City last week. According to Rolling Stone on Tuesday, Lambert's March 6 concert received a special guest halfway through the performance.

"I don't usually do two acoustic songs in the middle of my set," the Somethin' Bad singer told the audience as she stood up on stage. "But I think I should tonight, because I brought my husband with me."

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"Hello Oklahoma," called out Shelton, who proceeded to walk onstage and completely surprise the fans. "I wanted to do this song tonight because Miranda is the reason I recorded this song."

The pair went on to play God Gave Me You, smiling at one another as they enjoyed a rare and beautiful time onstage together.

Shelton was born and raised in Oklahoma, while Lambert moved there to be with Shelton a few years ago. The singers will celebrate their fourth wedding anniversary in May.

Anyone present at the show on March 6 would argue that the stars looked very much in love, which directly contradicts talk that their marriage isn't built to last.

Lambert will continue this month with her 2015 Platinum Tour, with upcoming stops in Texas and Iowa. Her last show will take place in Aug. 7 at the WE Festival.

Tags: Blake Shelton Miranda Lambert celebrity couples