Girls and Moms Respond to Teen Star's Pregnancy Tween star Jamie-Lynn Spears announced this week that she is pregnant. The 16-year-old is the star of Nickelodeon's Zoey 101 and the younger sister of pop singer Britney Spears, and she plans to keep the baby. What are girls and their moms making of the news? Denise Restauri, founder of AllyKatzz — a social networking Web site for girls ages 10 to 15 — and mother of a 14-year-old girl, says girls have had mixed reactions to the news. Restauri talks with Melissa Block.