While most young women turn their 17th birthday into a bawdy bash to remember, OK! can report that America's most famous pregnant teen, Jamie Lynn Spears, who rang in her last year as a minor on Friday, chose to spend that special day relaxing with fiancé and father of her baby, Casey Aldridge.Jamie Lynn and Casey spent most Friday relaxing in his hometown of Gloster, Miss., a short drive from the Spears family home in Kentwood, La. Sources tell OK! the lovebirds stayed indoors for most of the big day, emerging later that evening only to make a quick shopping trip to a Wal-Mart supercenter in McComb, where they spent about an hour inside the store. And for a few ... Read More >>