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Actor Jason Momoa, emceeing Black Sabbath's farewell concert, surprised fans by joining Pantera's performance. During Pantera's rendition of "Cowboys From Hell," Momoa shed his braid, leaped over the barricade, and instigated a mosh pit, creating a viral moment captured on social media. The unexpected appearance energized the crowd and added to the memorable night.

Prepared by Emily Rhodes and reviewed by editorial team.