I am 5' 8", 145 pounds with a 32 ddd bust. i typically purchase a small or a 4 to 6 in blouses. this blouse was small across the chest and therefore, i purchased a size 8. it is a nice fit. however, the button placement on the blouse does not work well for someone who is chesty. one button is placed slightly above bust line and the other slightly below. this causes a peek-a-boo space between buttons. therefore, i wear a bright white tank top beneath the blouse and wear the blouse unbuttoned to j