hun, not your fault the dress was brought to small. You shouldn't have to lose the weight, especially in three weeks. Is it possible that the dress can be adjusted?
That. Although I'm sure following the program to a T will get the results you want, it might be hard seeing as you're already not a big girl, you don't have HEAPS to lose, kwim? I hope they can change the size, otherwise the shakes and shapewear!