Know your exact measurement before proceeding towards making purchases. Find your tape and scribble down bust, waist, chest, arms length, hips measurement. If you wish to do things easily, measure out any dress which fits you well. It is now clear that brands across the globe do not have standard measurement. Know one thing that in online shopping you do not have the luxury of trying a dress in the trial room. You have to take your own measurement and choose dresses accordingly.
After you measure the size, you need to view the size charts available with the online company. Before ordering anything, make sure you check out the size chart. Shopping stores do carry products from various brands and thus one needs to dig deeper. Checking out the size chart prior to placing any order is a good idea. Always try to go for measurement that is 2 sizes above your size. So, if size 8 is your measurement, you must order size 10.