The answer, of course, is that I make her wear a waist cincher, like this lovely one from Passional on 4th and Bainbridge.
oooh! It makes you want to cry out "Manderley!" doesn't it?
(Photographed with an off - camera sb800 above and to camera right and a sb-80dx behind Trill and aimed up at the house. 800 on 1/16 power, 80dx on 1/4 power. Triggered by Pocket Wizards.)