The property located in Hawthorn East - which boasts four bedrooms, a sleek stone-finished kitchen and open-plan family areas - sold at auction for $2,560,000.
Dannii and Kris paid a reported $1.8 million for the property shortly before the birth of their only child together, son Ethan, who is eight.
RELATED: KRIS SMITH OPENS UP ABOUT HEALTH BATTLE & BABY JOY