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Iggy Azalea OWNED her performance at the iHeartRadio Jingle Ball hosted by Z100. The rapper performed a number of her The New Classic and Reclassified hits including "Beg For It" and "Work."

Iggy had everyone on their feet, but she surprised everyone in Madison Square Garden when she brought out Rita Ora to sing their hit "Black Widow" together.


Watch Iggy and Rita perform "Black Widow" below!

Iggy ended her set with her smash hit "Fancy" and invited Charli XCX to perform their chart-topping song.

Todd Owyoung for iHeartRadio