Nicole Kidman has twinned with Keith Urban in a surprise show of support for him on his 57th birthday

Keith Urban was a featured performer at the Concert for Carolina benefit show on Saturday, October 26, held at Bank of America Stadium in Charlotte, North Carolina.

The fundraiser was designed to raise money and resources for those affected by Hurricane Heleneand was organized by Eric Church and Luke Combs, with performances by Sheryl Crow, Billy Strings, James Taylor, Parmalee, Scotty McCreery and others.

However, the night was very special for Keith, who was celebrating his 57th birthday on stage that day and had the perfect piece of home to celebrate his special day with – his wife Nicole Kidman.

The actress, also 57, has just completed promotional campaigns for her film Baby girl And the new season of Special Unit: Lionesshad a surprising appearance, At one point she even accompanied her husband on stage.

She celebrated Eric for “calling” Keith on the show, and took the time to point out that it was actually her husband's birthday, telling the crowd, “I want to say that tonight is his birthday and he said, 'The only thing I can do…'”

Nicole and Keith looked pretty calm The perfect couple in their matching black outfits: The singer wore a simple T-shirt, jeans and a leather jacket, while Nicole wore a denim jacket with a black top and skinny jeans.

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The actress then called Eric to the stage, who led the crowd in a rousing rendition of “Happy Birthday” for Keith and remained on stage for a duet with the Australian-American singer.

Nicole posted a clip of their sweet moment on stage to her Instagram Stories and gushed: “It was a great honor to be able to raise money for Hurricane Helene rescue. I love you baby xx.”

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The country singer is wrapping up the first half of his Las Vegas residency at the Fontainebleau Las Vegas to support his newly released album Highcompleted a round of dates this month before returning in February.

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He spoke with People about the thrill of being a live performer and the excitement (and calorie burn) that comes with stage shows, saying, “I love the adrenaline of a live show. I love that I can get two hours of solid cardio on stage.”

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“I don't go to a gym to do two hours of cardio. I promise you that, as always, but I will make it through here effortlessly and I will be in really great shape at the end.”

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He added: “I have a 10lb wooden plank around my neck and I sing. I love the physicality of what I can do and how I can do it.”

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Keith spoke of nervousness leading up to the first playback of some of the songs from his new album, explaining that on the advice of a friend he tried to replace “nervous” with “excited” in his vocabulary and was “a bit excited”.

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“It feels better now, and that's probably true because I'm really interested in knowing what works and what doesn't!”