It seems like Nicole Kidman cannot get enough of her husband, Keith Urban's music. In a recent video posted on Facebook, the couple can be seen jamming to Keith's song 'The Fighter' in which he had collaborated with Carrie Underwood. 'The Fighter' was an apparently easy song to write for Keith since it was born out of a conversation that he had with Nicole. 

The song, which Keith wrote along with co-writer busbee and performed with Carrie Underwood, was inspired from a conversation which the couple had before they got married when Keith was trying to assure Nicole that he was a "good bet." He said, “I was a safe place and I would take care of her, and she could remain vulnerable and precious and that I would try and keep the world away from her so she didn’t have to be hardened."

He also recalls saying, "I’m saying too much, but they talk about people saying you have to have a thick skin, and I don’t agree with that. I think you should be vulnerable and be a spirit and be real, and if people would stop being so harsh, especially to ourselves, then we wouldn’t have to have thick skins. We could just be a little more what we are, which is pure spirit and fragile and real. Real human beings. Real people.” 

Now that the song has taken such a personal note for the singer, it is only fair that his muse joins him in humming the song. In the video posted on Facebook, Nicole is seen screaming pretending to be a fan as soon as the Keith plays the song, "Oh my God, I love this song!” Keith gave out a sigh of relief as he said, "Thank goodness!" The couple then begins singing along with the song, and Nicole takes up Underwood's part like a pro. Although it looks like the muse is not acquainted with the lyrics of the song, she nevertheless pulls off the performance quite wonderfully. 

Watch the video below:

However, this isn't the first time that Nicole has jammed to one of Keith's songs. The 'Moulin Rouge' actress had earlier posted a video of her jamming in the dressing room on the sets of 'Big Little Lies.' In an interview with ET, Nicole had also confessed that she simply couldn't stop dancing to Keith's song (in which he collaborated with Pitbull) 'Sun Don’t Let Me Down.' She had said, "I definitely danced to that one."

The couple also recently celebrated 12 years of wedded bliss (on June 25). When asked how do they manage to keep the spark alive, Nicole said that they like to keep things old-fashioned. "We've never texted. That is so not our relationship, which is interesting right? We call...We just do voice to voice or skin to skin, as we always say," Parade quoted Nicole as saying. 

Nicole and Keith, are parents to two beautiful daughters: Sunday Rose, 9, and Faith Margaret, 6.

Here's a bonus! Watch the moment Nicole Kidman and Reese Witherspoon join Keith Urban on stage during his Nashville gig.