Stylist at my local retailer recommended i try on this top. as soon as i put it on, i was amazed at how pretty it is. i'm 5'3" and curvy size medium and the fit is true to size. i would say if you are between sizes, you may want to size down. i didn't have any issues with the lace and the slight v-neck falls perfectly on me. no need to wear any cami. 
my only concern was how wrinkled the top was. i requested to have the blouse steamed before i left the store so that i could see if all of the wrin