Biography: Jamie Lynn Spears: birth name: Jamie Lynn Marie Spears born on April 4, 1991 in McComb, Mississippi; height: 5 feet 5 1/2 (166 cm); Zodiac Sign: Aries. Jamie is the younger sister of Britney Spears.  She’s best known for starring in Nickelodeon television series Zoey 101 and for getting knocked up at 16!

photo: PR Photos

Jamie Lynn gave birth to her baby , Maddie Briann Aldridge on On June 19, 2008. The father of the baby is Casey Aldridge who’s reportedly the longtime boyfriend of Spears who’s just less than two years older than her.