Celebrity offspring from Zoey 101's Jamie Lynn Spears (sister of struggling starlet Britney) to Hannah Montana's Miley Cyrus (daughter of country singer Billy Ray) break through the media clutter and get people to pay attention to a movie or television show.

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The fictional TV pop star Hannah Montana, played by Miley Cyrus, beat out the Rolling Stones in popularity by a generous margin.

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Miley Cyrus, star of Disney's Hannah Montana, said in one interview in February that she was "obsessed" with her Sidekick.

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