Jamie Lynn Spears will give birth today, according to reports from the US. The 17 year old has been joined by sister Britney Spears near the family home in Louisiana. Teen Jamie Lynn is expected to have a caesarean after complications with the pregnancy at the Mississippi Southwest Regional Medical Centre. The star of Zoey 101 is expecting a baby girl fathered by her 19 year old fiance Casey Aldridge. In May she held a baby shower which was attended by her Piece Of Me singer sister.