MTV VMAs: Iggy Azalea & Rita Ora Perform 'Black Widow'

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Iggy Azalea and Rita Ora perform onstage during the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California.

Iggy Azalea and Rita Ora's chemistry was palpable at the MTV Video Music Awards on Sunday, Aug. 24. The two BFFs performed their collaborative track "Black Widow," off Azalea's The New Classic.

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After being introduced by Jennifer Lopez, who will feature the rapper on her "Booty" remix, I-G-G-Y and Rita Ora strutted across a webbed stage with matching black bodysuits.

The rapper took a tumble at a pre-MTV VMA benefit concert on Friday, Aug. 22. She fell of the stage when performing "Fancy," at the Avalon in Los Angeles. Iggy posted a video on Instagram of her fall, and said: "Sorry but it would be a crime not to share this with you all, I know I laughed."