Hope you're not in a hurry. Rotton is one of the many folks in this hobby with a lot of Real-Life™ distraction right now. No way to know when he might get through all of us sitting here with puppy-dog eyes.
From what Rotton's said, the smaller of the two sizes he's working on will fit a B-cup after the cloth layers under the armour are taken into consideration.
Plus, if you're going for a metal effect under the paint, you might want to try the same thing I use (third item down).