Lorde Crushes 'Yellow Flicker Beat' at the 2014 AMAs: Watch

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Lorde performs onstage at the 2014 American Music Awards at Nokia Theatre L.A. Live on November 23, 2014 in Los Angeles, California. 

The Hunger Games: Mockingjay Part 1 dominated at the box office this weekend, and Lorde's theme for the film, "Yellow Flicker Beat," continued crushing it this weekend when the singer performed her newest hit at the American Music Awards. 

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For her first American TV performance of the song, Lorde wore a white cropped top, and began the moody number against a blue screen all by herself. As she continued to sing and rock around the stage, the dark lighting became lightning-white bright, and viewers saw her encased alone, away from the band, in some kind of cube of screens. She solo sang against tight camera shots that only added to the haunting mood the singer was clearly going for.

Then, suddenly, the cubed screens were raised and Lorde met her audience. (Yes, the camera cut to BFF Taylor Swift, who was of course shamelessly dancing.) Back on stage, living props -- a.k.a. people dressed in all-white -- solemnly stood still as Lorde dashed around the stage against several different lighting backgrounds building to a loud, powerful climax before she softly concluded the memorable number.

As a final act, she rubbed her lipstick across her face. She didn't drop the mic, but she might as well have.