But the couple have taken time off their own wedding planning to attend businessman Jack Bedwani and fashionista Rae Temily's in Tuscany.
Yarbrough, 34, looked stunning in a nude, sheer gown, while Stefanovic, 43, looked smart in a tuxedo.
'Not the only one obsessed with this dress,' she cheekily captioned the shot.
A new report by the Herald Sun claimed the couple planned to wed in Cabo, Mexico, in December.
The report claims the pair may hold their nuptials at billionaire James Packer’s new waterfront home.