You find a girl who wears a massive dress all night and day and decide to curse her. As you did, her butt and thighs deformed to the point where they were growing to fill the bottom of her dress. And the bottom of her dress was growing too. You'll have to see if it gets perfectly big. Meanwhile, the rest of her body is being stretched and strained to fit the rest of her dress, her waist becoming one inch thick, and her arms stretched longer and smaller hands, etc. Her calves and feet stayed their normal size. *Keep watching. *
She notices her dress, butt, and thighs growing What's happening to me? she tries to remove the dress, but the dress was now part of her body, so trying to remove it would cause pain.
You add another consequence, she has until midnight tomorrow until her mind will fall into your property. She walks out of the ballroom, barely able to fit into the doorway. Follow her closely, yet quietly