Two piece party dress

NWT. Navy blue. Top is size 9. Zipped closed and lying flat it’s 17” across from pit to pit. Top of Neck to hem in front is 14.5 lying flat. Skirt is size 11. Waist is 15.5” across lying flat. Waist line to hem line 20”. There are 4 different layers to the skirt which makes it “poof” All measurements are approximate.