The baby was born in the Royal Women's Hospital...
A spokesperson for the couple said: "Kris Smith and Dannii Minogue are thrilled to announce the arrival of Ethan Edward Smith on 5 July 2010.
"Mother and baby are doing well and dad is very proud. They request their privacy at this special time to adjust as new parents."
"Mother and baby are doing well and dad is very proud. They request their privacy at this special time to adjust as new parents."