Nicole Kidman says it's 'beautiful and a little heartbreaking' watching her kids grow up

Nicole Kidman’s young children are growing up right before her eyes.

Her daughters with husband Keith Urban are now 8 and 6 years old. She told Australian magazine WHO it’s somewhat sad to see her kids get older.

“It’s equally beautiful and a little heartbreaking,” Kidman told WHO. “They are little girls, not baby girls now.”

She said she is proud of the way her kids are maturing.

“It melts my heart … they are generous and they are empathetic. I love that about them. They went to see ‘Beauty and the Beast,’ and they had tears rolling down their faces because they care about the beast,” she said. “They have those kind eyes. When you talk about beauty, I always look deep into people’s eyes. That’s where you see the real person.”

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Kidman has two adult children whom she adopted with ex-husband Tom Cruise.

She’s spoken out in the past about wanting more kids.

She told People magazine in January, “I would have liked probably two or three more children. I love, love children. I love raising children."

But she said Urban doesn't want more kids.

“He’s kinda maxed out," she revealed. "He’s like, ‘I’m done baby, I’m done. Let’s just focus on what we have.’ ”