Jamie Lynn Spears: Welcome Maddie Briann!

Jamie Lynn Spears and fiance Casey Aldridge are proud parents of Maddie Brian, reports E!.

Their beautiful daughter was born at the Mississippi Southwest Regional Medical Center in McComb, Miss. just after 9:30am.

Jamie, 17 and Casey, 19, were joined at the hospital by her parents around 5:45am. Sister Britney and brother Bryan arrived around 8. It is the first child for the happy couple.

CONGRATS TO JAMIE AND CASEY!!!