Australian rapper Iggy Azalea paid tribute to her loyal fans at a gig in London on Wednesday (17Sep14) and thanked them for supporting her following "an awful, terrible week".

The Fancy hitmaker took to the stage at London's Shepherd's Bush Empire amid a raging scandal over reports porn bosses have obtained a sex tape featuring her and an ex-boyfriend.

Azalea, who denied the existence of the tape, has now spoken out to thank her fans for standing by her, telling the crowd in the U.K. capital, "I've had a hell of a week," and later adding, "London, seeing all your beautiful faces, it's an amazing end to an awful, terrible week."

During the show, Azalea was joined on stage by pop star Rita Ora for a surprise performance of their hit collaboration Black Widow.

The hip-hop star is currently embroiled in a legal battle with her former lover Maurice Williams, aka rapper Jefe Wine, amid the sex tape scandal. She is suing him for allegedly copying files and footage from her computer while they were dating.