Don Draper (Jon Hamm) may get the Mad Men spotlight, but Betty Francis Draper (January Jones) has always been the scene stealer. 

In Mad Men's season five teaser, we see Betty at her most mischievous and watch her descent into trophy-wife-gone-wild: Telling Don she doesn't love him, ruthlessly smacking Sally and admitting she "misbehaved". Betty is back, and she's refusing to play nice.

Will March 25 bring a whole new Betty, with metamorphosis from passive-aggressive housewife to sassy single mother complete? Weigh in with your Betty predictions below!

[via HuffPost]