Seems like a shotgun wedding is on the horizon for teen mom-to-be, Jamie Lynn Spears.

According to PEOPLE magazine, the 16-year-old expectant mom has been sporting an engagement ring from fiancé Casey Aldridge.

Jamie Lynn has reportedly been waving her bling in the faces of friends and family around Louisiana and Mississippi.

"She's got an engagement ring," says a source close to the family. "She's been showing it off, talking about it."

Jamie Lynn and Casey, 18, are expecting their first child in the summer. A wedding date has not yet been announced. 

[PEOPLE]