When Justin Bieber appeared onstage at a Las Vegas nightclub last week for a surprise performance alongside a popular DJ, the crowd — and the DJ — went wild.

That was until they learned the man was not Bieber at all — but an impersonator of the megastar. Gryffin, the DJ, recounted the moment on Instagram when he and the staff of the Wynn Las Vegas were duped by the impersonator who made his way onstage during the Aug. 16 set.

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"biebergate2025," Gryffin captioned the Instagram post of the video titled "how bustin jeiber duped me during my own set..."

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A post shared by Gryffin (@gryffin)

The video posted by Gryffin shows the apparent Bieber, shirtless underneath a zip-up hoodie, walkin

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