At one point, the curvaceous reality star was even spotted leaning in for a kiss with the farmer.
The pair attended the Melbourne's Most Influential People cocktail party at Waterman Business Centre.
Roza - who appeared on last year's Married at First Sight - looked to be in good spirits as she chatted up a storm with Mick and other guests.
Later on in the evening, 31-year-old was spotted cuddling up to Jennifer Evans, a contestant from this year's season of MKR.
