Cameras hilariously captured a confused Perry as he realized the song playing was “Halo” by Beyoncé.

“Is this (expletive) ‘Halo?’” Perry asked as he walked out.

Perry didn’t let the slow jam bother him; in fact, he started singing along before the official checked him in for the fight.

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Unfortunately, Perry ended up losing a decision to Tim Means in their welterweight fight — but he probably gained a few fans after the funny moment.