By Hayden Wright

Rihanna‘s ANTI World Tour has already featured special guests like Drake, but in Cincinnati, the pop superstar’s best backup came from a member of her audience. Fans captured the moment when Rihanna extends the microphone during FourFiveSeconds and is surprised—nay, stunned—at the vocal chops one guy brings to the table.

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Related: Rihanna Just Surpassed Michael Jackson: Here’s Why It Matters identifies the singer as Terah Stewart, an administrator at Ohio State University. His surprising contribution to her show made for a night he’ll always remember.

“Y’all don’t understand how long I have been riding for @rihanna,” he later tweeted. “I will never forget this. She followed me too. #NavyForF—ingLife !!!!!!!”

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Watch the funny, awesome moment here:

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