Jamie Lynn Spears has dumped her baby daddy and is dating a 28-year-old Louisiana businessman. Britney's baby sister, who had a baby of her own at 16, has left the Mississippi home she shared with Casey Aldridge last month, reports People. Spears, 18, had planned to marry her construction worker after the birth of their daughter, Maddie, now nearly 2. Jamie is currently living with her mom.
"She's going through a lot of changes," said a family friend. "It has been painful. She's a young mother and struggling in a lot of areas." (Read more Jamie Lynn Spears stories.)