Jamie Lynn Preps for Baby Shower

Teenage parents-to-be Jamie Lynn Spears and Casey Aldridge shop at a local mall in McComb, Mississippi on Friday.

Jamie Lynn, 17, is currently back in her hometown of Kentwood, Louisiana, to celebrate her baby shower. Big sister Britney is reportedly with her to join in on the festivities.

Jamie Lynn and Casey are expecting their first child together in late June/early July. They supposedly will be having a baby girl!