Nicole Kidman and Keith Urban are preferring to keep mum on the rumours that she is expecting her first biological child.
Kidman, recently, refused to talk to the paparazzi when she was asked directly about her pregnancy.
However, the couple added a spark to the rumours when they were seen hiding her tummy recently at the NSW Art Gallery, reports Daily Telegraph
Aussie actress' pregnancy buzz started circulated when a British newspaper, the Daily Mail, first reported that the couple had disclosed the pregnancy news to friends and family members over Christmas.
However, Kidman's rep has denied the reports.