Well it looks like the votes are in!
It started out close with the thin girl getting some solid strikes to the larger girls face, snapping back her head, bloodying the lip. Then the larger girl overpowered her opponent, draping the little girl across her knee with open access to her taut abs, breaking her back and scratching her strained belly.
Thin girl fought back, targeting her opponents soft middle, almost taking the win, but the large girl really handed it to thin, smashing her tummy over and over, even after she won she continued to smash away at her thin peachfuzzy middle into unconsciousness! Massive overwhelming victory through ab destruction!