In the latest Princess Rap Battle – a successful YouTube series from actress Whitney Avalon – Sarah Michelle Gellar dons the princess's iconic blue gown for an epic rap battle against Beauty and the Beast's Belle.
"Sarah had posted the first Rap Battle on Twitter, so we knew that she had seen it and that she was a fan," Avalon tells PEOPLE. "So we thought, 'How incredible would it be to put her in this gorgeous gown and have her be Cinderella?' Fortunately, she felt the same way."
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