Australian singer Keith Urban and his actress-wife Nicole Kidman sang "Amazing Grace" for sick children at Monash Children's Hospital here.

The couple performed an emotional version of "Amazing Grace" in front of patients, their families and members of staff of the hospital June 13, reports femalefirst.co.uk.

The couple, who married in 2006 and have children - Sunday, 5, and Faith, 3 - had also performed earlier in 2010 at the G'Day USA ball and sang Men At Work's "Down under".