I am a true size 2, and this fits me, but is slightly loose if anything! The corset is adjustable due to the lace up back so it could fit a variety of sizes XS-S, maybe even medium. The pants fit me without using any of the stretch that the fabric has, so they could definitely fit someone who was more of a 4 or 6. I am 5'9" and the pants are long enough for me! This would be the cutest set for a bachelorette!