Jamie Lynn Spears is apparently showing off some bling to go with that growing baby bump. According to People, the 16-year-old future mom is engaged to her 18-year-old boyfriend Casey Aldridge. Ever since we learned of the pregnancy, there have been rumors of rocky roads between the young couple, so this comes as a bit of a shock — but I guess we're used to surprises from Jamie Lynn at this point. While we understand wanting to tie the knot before having their baby, it still seems a bit rushed considering their youth. What do you think — does Jamie Lynn Spears' engagement seem like a good idea?