'She stole my part': Country music star Carrie Underwood reacts to video of Keith Urban and Nicole Kidman's car duet

She's behind the powerful vocals featured in Keith Urban's song The Fighter.

And Carrie Underwood, 33, joked about Keith''s wife Nicole Kidman 'stealing her part' after a hilarious video of the couple singing their own rendition of the song surfaced earlier this year.

Speaking to the Today Show on Tuesday, the Grammy award-winning Country singer was asked about her thoughts on Keith and Nicole's car karaoke.

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LOL: Carrie Underwood, 33, joked about Keith Urban's wife Nicole Kidman 'stealing her part' after a hilarious video of the couple singing their own rendition of The Fighter surfaced earlier this year

'Yes [Nicole] goes and hijacks my part... I mean, come on. I was like, 'She is going replace me,' Carrie said in jest.

'She stole my part.'

In May, country artist Keith, 49, posted the video of him and Hollywood actress Nicole, 48, singing The Fighter.

Bringing the laughs: 'Yes [Nicole] goes and hijacks my part... I mean, come on. I was like, 'She is going replace me,' Carrie said in jest. 'She stole my part.'

Showing off her vocal skills: In May, country artist Keith, 49, posted a video of him and Hollywood actress Nicole, 48, singing The Fighter

Nicole, 48, is filmed sitting in the vehicle before Keith jumps in and turns on the radio.

'Oh my god, I love this song!' the famous redhead squeals as her husband's hit starts blaring from the speaker.

'Well, thank goodness,' Keith says as he lovingly looks into his wife's eyes.

Cute couple: 'Oh my god, I love this song!' the famous redhead squeals as her husband's hit starts blaring from the speaker

Keith begins to serenade his wife before the music accidentally cuts off as they both stare surprised into the camera and Nicole is heard saying 'Oops' as it starts again. 

Carrie and Keith are currently in the midst of a joint Australian tour, which kicked off in Melbourne this month.

Last week, the American beauty gushed about Keith's work telling The Herald Sun she's been a fan since high school.

'I used to listen to Keith when I was in high school and college, and now I'm singing with him, it's pretty surreal,' she said. 

Big fan: Carrie recently revealed that she used to listen to Keith in high school

'He is just someone who has done so much right in the business. It's really nice to be able to be around him.' 

The last time Underwood toured Australia was back in 2012 with the Blown Away Tour to promote her third studio album of the same name.

Her latest album, Storyteller, was released this year - 11 years after she was crowned winner of American Idol. 

Tour: Carrie and Keith are touring Australia together and kicked off in Melbourne

Duet: The pair will be singing The Fighter together during their joint tour - as captured here in New Zealand

Carrie says that auditioning for the singing competition was her last attempt of feeling like a kid before dealing with adult responsibility. 

'Initially when I auditioned I was about to graduate college, and I was kind of like, this is the last chance I will really have before I have to grow up, and what was the worst could happen?' she said.

Carrie had previously told MailOnline how much she supports the reality singing competition format still.

11 years: It's been over decade since Carrie won American Idol and shot to fame

'I definitely think it's an opportunity [to go on these shows],' Carrie says. 'Just because you don't win doesn't mean you won't be successful after.

'It's real people getting up there and singing. It's really real and raw.'

Though she readily admits that she couldn't be objective enough to be a judge.

'I feel like it would be really hard to be honest, and I do think a lot of judges lose face, because I think people really need to hear it like it is. I think I'd be too nice,' Carrie explains. 

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