Tori Kelly Performs "Should've Been Us" at VMAs 2015: Watch

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Tori Kelly performs onstage during the 2015 MTV Video Music Awards at Microsoft Theater on Aug. 30, 2015 in Los Angeles, California.

Pop princess Tori Kelly performed her single "Should've Been Us" at the MTV Video Music Awards on Sunday night (Aug 30), and proved what we've all already known: she's a total star. Three months after killing it at the Billboard Music Awards, Kelly once again dazzled at an awards ceremony.

Starting off the set acoustically and ending with a full-blown a capella, Kelly roused the crowd in her stunning gold jumpsuit and unreal vocals. The singer-songwriter earned a standing ovation from most in the audience, including fellow singer Hailee Steinfeld.

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Kelly released her debut album, Unbreakable Smile, in June. "Should've Been Us" is the album's second single, following "Nobody Love."

2015 MTV VMAs