Nicole Kidman rubs her belly as she steps out with husband Keith Urban in Nashville. (07/12/2006).

Hollywood actress Nicole Kidman has revealed that she is desperate to have a child with husband Keith Urban.

The Australian actress has been surrounded by baby rumors after she attended the London premiere of Happy Feet. A source at the London hotel where she is staying has confirmed that the actress has a rounder looking mid-section.

"Kidman certainly isn't hiding the changes in her body now and seems to be very comfortable with them," the Daily Mirror quoted a source as saying.

“Any woman seeing her now up close can't help but notice she is a mum-to-be," the source added.

Although she has yet to confirm or deny media reports she is pregnant, Kidman does admit she would love to give her two adopted kids with former spouse Tom Cruise, Isabella, 13, and Conor, 11, a brother or sister

The Oscar winner also added that she dreams of moving her family to a Fijian island.

"I'd like to be a mum again. I always thought I'd live on a Fijian island. I love the idea of being in a sarong, with hair down to my bum and kids following me around,"

Contactmusic quoted her as saying.