Dressed in a sheer black corset, she bared plenty of cleavage in full view of the public, reports The Daily Telegraph.
The former girlfriend of cricketer Michael Clarke basked on the bow of the boat while celebrating a friend's birthday.
Bingle and her cruise buddies sailed Sydney Harbour for most of the day, stopping off near Taronga Zoo and Manly.
She finally alighted at Rose Bay, before the wind whipped up and ruined a spectacular spring day.
