/cgl/ - Cosplay & EGL

So i made the costume, i have the wig and the hat, i have all the proportions to make it credible.
The problem is, no matter what i do, or how i stitch the dress or use tape, my tits keeps falling out of it if i do as much as move an arm. It's gotten to the point where it's ridicolous, should i just remake the top in a way that covers more and be unfaithful to the character or do you know some tricks to keep them inside the dress?