Keith Urban thinks he and Nicole Kidman are "lucky" to have one another.

Nicole Kidman and Keith Urban

Nicole Kidman and Keith Urban

The 49-year-old singer - who has daughters Sunday, eight, and Faith, six, with his actress spouse - joked the 'Lion' star is out of his league but they are happy to be together.

He told 'Extra': "We're just lucky we found each other. That's everything.

"I married up."

Keith has extra reasons to be proud of his spouse at the moment as the 49-year-old star has been nominated for Best Supporting Actress at the forthcoming Academy Awards for her role in 'Lion'.

And Nicole admitted the nomination was "incredible" news.

Speaking alongside her husband, she said: "It means a lot actually, I think having had such a long career, I started working at 14, I'm now 49 and still doing it and loving it, I just feel incredible and grateful and to be recognised by the academy, it's ah thank you.

"I think we are all just so astonished that ['Lion' has] been received with such an emotional response, because you never know when you're making something, you feel it but you hope and for it to actually go all the way like this is wow! I keep saying to Keith, 'oh my gosh this is incredible."

Nicole - who also has two adopted children, Isabella, 24, and Connor, 21, with ex-husband Tom Cruise - recently admitted she would love to have more children with Keith in some way.

She said: "I'm one of the few people in the world who has experienced so many different forms of [becoming a mother].

"But I haven't had the child from a donor egg. I haven't also been a foster mother and I'm very interested in that ... But I did foster a child that I met through school, an aboriginal boy.

"I still have the faintest hope that something may happen to me this year. Keith and I would love to have more babies!"

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