She's cut her hair into a cute little short bob!
Jamie Lynn showed off the new 'do on her Instagram account writing the hashtag "#shorthairDontcare."
It seems like Instagram is the place to go to reveal breaking news! She also used the social networking site to announce her engagement.
Well, this new look will look adorbs on her wedding day. We bet big sis BritBrit approves!
[Image via Jamie Lynn Spears' Instagram.]