The wacky singer emerged from her hotel after her Sydney Town Hall gig, holding a gold-coloured bone china cup – and sporting shades, despite it being nearly 2am on Thursday (14 July) – to greet her fans.
Gaga, also wearing a black and white wig, was flanked by two hulking security guards and spent a few minutes saying hello and signing autographs for her 'little monsters'.
A few hours earlier, she performed a one-off concert at Sydney's Town Hall for 1,000 competition winners.
The superstar has been in Australia to promote her new album, Born This Way.
She is reportedly due to head back to the US by private jet in the next two days.