Now 16 herself, Jamie Lynn wants us all to know that she's pregnant and keeping the baby.

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Ten years later, the face of her younger sister Jamie Lynn is plastered over every tabloid in the country.

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The pregnancy of the Republican vice presidential nominee's daughter is only the latest of a number of highly visible teen pregnancies, ranging from celebrities such as Jamie Lynn Spears to a group of teens in Gloucester, Mass.

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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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Sopranos star Jamie-Lynn Sigler wed her agent, A.J.

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Take actress Jamie-Lynn Sigler, for example.

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