Members of the press caught up with the couple as they prepared to leave Sydney late Sunday with an angry Hartnett telling photographers to "get f**ked" as they walked through the airport.
His brunette companion--wearing dark glasses, a hat and trying to cover her face with her bag and jacket--bolted into the terminal to avoid being photographed.
The couple had previously spent the weekend holed up at hotel Blue in the Sydney suburb of Woolloomooloo.
Earlier, the couple had eaten at a nearby restaurant Salon Blanc, for the third time in two days, sitting discretely in a back corner of the celebrity hotspot at Woolloomooloo Wharf to avoid attention.
According to Sydney's Daily Telegraph, the pair stopped at the restaurant for tapas on Saturday afternoon and dinner and cocktails later that night, before returning again Sunday.
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