I've never really had a waist. Even when I was at my slimmest, my silhouette was very straight up, straight down. But I have learnt how to give myself a bit of waist by optical illusion. For this, bring on the belts.
TwiggyFluted sleeves or any sleeve that flares out before coming in again at the wrist are very feminine and a great way to distract from the dreaded 'bingo wings.'
Twiggy