I ordered a 4 and the 6 as the backup size, and ended up wearing the 6. The 4 "fit", but the skirt was really tight and I didn't want there to be an issue with someone seeing my Britney when I was seated or getting out of the car! The dress was SUPER comfortable. The high waist was really flattering, the neckline showed just enough skin, and the sparkle only on the top didn't make me feel like I was overdressed for a night out on the town. I thought about buying the dress, but seeing as how it retails for more than I can afford, I would definitely rent this dress again!! You can wear a regular strapless bra, and limited jewelry is needed for a gorgeous head to toe look in this dress.