Report: Britney Spears' 16-Year-Old Sister Jamie Lynn Is Pregnant

Jamie Lynn Spears, 16-year-old baby sister of Britney Spears, told OK! Magazine during an interview that she is pregnant, reports.

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In the interview, which is scheduled to hit newsstands Wednesday, Jamie-Lynn Spears reportedly tells the magazine the baby's father is Casey Aldridge, her boyfriend whom she met at church.

TMZ reports Jamie Lynn, star of Nickelodeon's "Zoey 101," had not yet told Britney the news that she is expecting.