Jamie Lynn Spears is reportedly set to give birth to a baby girl  today.

Sources tell the National Enquirer that an ultrasound performed last week revealed that the 17-year-old's baby may be in the breach position, so doctors have decided to schedule her c-section for today.

Jamie's older sister Britney Spears has fuelled rumours that the Zoey 101 star will give birth sooner rather than later by jetting home to Kentwood, Louisiana.

The troubled singer -  who was last in Kentwood for her sister's baby shower last month - took an early morning flight with her brother Bryan and her father Jamie from Los Angeles to New Orleans on Wednesday.

Jamie Lynn and father Casey Aldridge are said to be planning to give their girl a name that is a combination of both their names - Cailynn or Cassie.