what would you do in this situation

Amanda • Mommy.5.2016
a lil background my almost 8 yr old is goi g through puberty... for the past 6 months ive struggled with her to shower lotions up her body wash her face and brush her teeth to where ive tried rewarding her ie u earn $5 after a week of doing what ur supposed to do but to no vail... im at a loss and to make matters worse she doesnt care and has been acting out at school more... this is an incident today ... im sooo fed up with her behaviors and such i told her no xmas as ive tried everything even her therapists dont know how to get through to her...