Jamie Lynn to Bristol: Teen Motherhood Is a Blast!

Sources close to Jamie Lynn Spears say she completely sympathizes with 17-year-old Bristol Palin -- and JL has some unwed teen mother advice for her preggo peer.

We're told Jamie Lynn thinks Bristol needs to stay strong and be an example for young moms everywhere. Jamie also wants Bristol to be aware everyone is shining a spotlight on her right now, so it's important she remain as positive as her EPT!