Teen actress Jamie Lynn Spears is reportedly set to marry her longtime boyfriend and unborn baby's father Casey Aldridge. The 16-year-old has been spotted showing off a diamond band to friends and family in her hometown of Kentwood, Louisiana, and to relatives in Mississippi.

A source close to the Spears family tells People.com, "She's got an engagement ring. She's been showing it off, talking about it." A representative for Spears was unavailable for comment as WENN went to press.

The Zoey 101 star is expected to give birth to a baby boy this summer.

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(This news article provided by World Entertainment News Network)