Jamie Lynn Spears has given birth today to a baby girl named Maddie Briann. The 17 year old sister of Britney Spears popped the child out at 9.30am CDT at the Mississippi Southwest Regional Medical Centre near Louisiana. Teen Jamie Lynn was expected to have a caesarean after complications with the pregnancy. The father is her 19 year old fiancee Casey Aldridge. Her mother Lynn, father (er) Jamie, Britney and brother Bryan were all at the hospital for the birth. In May she held a baby shower which was attended by her Piece Of Me singer sister.