Charice Pempengco performs.

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Charice traveled 8,000 miles on a 15-hour flight to perform Whitney Houston's "I Have Nothing" on Oprah's stage!

Oprah says it sounds like Charice is pulling her voice from somewhere deep in her body. "What a blow-away moment!"

Oprah says she first heard about Charice from producer/songwriter David Foster. "He says you're a force to be reckoned with."

For Charice, singing on Oprah's stage is a dream come true. "I can't believe I'm here standing with you," she says. "I can't believe I'm hugging you!"