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WEDNESDAY DECEMBER 19, 2007 06:30 PM EST

There's more baby drama for pregnant Jamie Lynn Spears!

A day after news broke that the 16-year-old is expecting, a Spears family insider tells Life & Style that she and Casey Aldridge, the father of her baby, are not seeing each other!

“Jamie Lynn and Casey are NOT together. They’ve broken up numerous times, but he was her first and she kept taking him back," says the insider.

“They’re not dating now. He's really got nothing to offer this baby. He's a kid himself. They have no plans to get married."

"At this point, Jamie Lynn has asked her mom — and not Casey — to be in the delivery room with her.”

A rep for Jamie Lynn was not immediately available for comment.

Stay tuned for more on this dramatic story!