Jamie Lynn Spears Has Baby Girl- Maddie Briann

Jamie Lynn Spears and Casey Aldridge welcomed a 7lb 11oz baby girl at 9:30am this morning and named her Maddie Briann.

In attendence to the birth were both of her parents Jamie and Lynn Spears, big sister Britney Spears (sans her own boys; she is missing scheduled visiting time to be with her sister) and brother Bryan.

Since the announcement of her pregnany at the end of December Jamie Lynn has done quite the opposite of big sis, and remained quietly in her hometown of Kentown , LA.