Usually it's Ian Somerhalder who renders fan speechless upon meeting them, but this time it was the other way around. When University of Southern California student Shelby Miguel met the 'Vampire Diaries' actor, she immediately burst into song, belting out a killer rendition of Aretha Franklin's 'You Make Me Feel Like a Natural Woman.'

Somerhalder, who had been at the school to discuss Earth Day, was struck silent (along with the rest of the students) as soon as Miguel showed off her unbelievable pipes by serenading the hunky actor. But he soon regained his ability to speak -- and sing! -- echoing Miguel's last line in a high falsetto voice.

As awkward and surprising as it may have been at first, Somerhalder clearly appreciated the spontaneous serenade, complimenting Miguel and even joking with her, asking her if that's all she wanted to say. And Miguel, who has some serious guts, couldn't stop smiling -- and hugging Somerhalder.

Watch Shelby serenade Ian Somerhalder in the video above!

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