For the big occasion, Delta stunned in a sheer black gown with flower detail and wore her hair up in a chic updo. The actress also shared an image of the dancefloor, with Mia seen having a boogie ...

Delta Goodrem turned 40 earlier this month ... For the big occasion, Delta stunned in a sheer black gown with flower detail and wore her hair up in a chic updo. The actress also shared an image ...