Start with well fitting underclothes, including all of the body slimmers on the market, I usually wear two separate body slimmers, won that looks like knee pants and another top that looks like an undershirt.
Implement using solid colors whenever possible, the tip given in item #2 below.
Avoid even considering any puffy items like ruffles, puffs, baggy, or drawstring items. Stay tailored and pay the extra money for well fitting and heavy clothes.
