Little sister Elizabeth James is super excited for her birthday party this weekend, so much so that she couldn't resist sneaking a taste of the cupcakes while being babysat by her big sister Alex Reynolds. Being a messy little girl, Elizabeth managed to get dyed cupcake frosting all over her legs, hands and even on her new party dress she isn't supposed to be wearing. Alex gives her a choice: get . a spanking from her big sister or get a spanking when Daddy gets home. Elizabeth opts to go across her big sister's lap, but that isn't the end of her punishment. When Alex is in charge, if Elizabeth acts like a baby, she's going to be treated like one. After a bare bottom spanking brings her to tears, Elizabeth gets diapered for the rest of the evening, and is given a bottle to make sure there are no more messes for Alex to clean up. Needless to say Elizabeth won't be touching anymore things that don't belong to her