Vote! Natural vs. Hair Extensions

Presto, change-o – it's an instant makeover. Tell us what you think of the stars' lengthier looks – then see the results in PEOPLE's Fall StyleWatch issue, on newsstands Aug. 4. By Serena Kappes

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KATHARINE MCPHEE

"They look so real, so fabulous," says the American Idol star about the extensions she began wearing on the show. In fact, she liked them so much, she's kept them.