Guess Vintage bustier corset top lace on stretch denim size XS / 4

This is a fabulous Y2K item in great condition!!! its marked as a size 4, but I would have to say it's a 2.. my Manny is about a 4 and we couldn't zip it up on her. this item just dreams Britney and Justin at the VMAs right?? no signs of wear, no damage to the lace, the zipper works flawlessly, no strings or pulls. its in excellent condition!! side zip opens up the top fully to get it on. has a heavy hook at the top as well. straps are black bra straps and are removable cups have slits in them if you want to add a little padding. 98% cotton 2% elastic hand wash cold approximately 14 inches ptp 12.5 inches at smallest waist unstretched laying flat