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BRENTWOOD, CA - JUNE 11: Actress Miley Cyrus attends "A Time for Heroes Celebrity Carnival" sponsored by Disney to benefit the Elizabeth Glaser Pediatric AIDS Foundation on the grounds of the Wadsworth Theater on June 11, 2006 in Brentwood, California. (Photo by David Livingston/Getty Images)

BRENTWOOD, CA - JUNE 11:  Actress Miley Cyrus attends "A Time for Heroes Celebrity Carnival" sponsored by Disney to benefit the Elizabeth Glaser Pediatric AIDS Foundation on the grounds of the Wadsworth Theater on June 11, 2006 in Brentwood, California.   (Photo by David Livingston/Getty Images)

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Miley Cyrus during "Monster House" Los Angeles Premiere - Red Carpet at Mann Village in Westwood, California, United States. (Photo by Alexandra Wyman/WireImage)

Miley Cyrus during "Monster House" Los Angeles Premiere - Red Carpet at Mann Village in Westwood, California, United States. (Photo by Alexandra Wyman/WireImage)

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Miley Cyrus at the Ritz Carlton Huntington Hotel in Pasadena, California (Photo by Jesse Grant/WireImage)

Miley Cyrus at the Ritz Carlton Huntington Hotel in Pasadena, California (Photo by Jesse Grant/WireImage)

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Miley Cyrus during Ashley Tisdale and Miley Cyprus Visit MTV's "TRL" - June 20, 2006 at MTV Studios in New York City, New York, United States. (Photo by Theo Wargo/WireImage)

Miley Cyrus during Ashley Tisdale and Miley Cyprus Visit MTV's "TRL" - June 20, 2006 at MTV Studios in New York City, New York, United States. (Photo by Theo Wargo/WireImage)

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Actress Miley Cyrus arrives at the "Us Weekly's Hot Hollywood 2007- Arrivals" at Opera on September 26, 2007 in Hollywood, California. (Photo by Jon Kopaloff/FilmMagic)

Actress Miley Cyrus arrives at the "Us Weekly's Hot Hollywood 2007- Arrivals" at Opera on September 26, 2007 in Hollywood, California. (Photo by Jon Kopaloff/FilmMagic)