dress purple dresses Simple Off Shoulder Tulle Long Prom Dress, Purple Graduation US 6 / Custom Color This enchanting dress features a romantic sweetheart neckline and a flattering corset bodice adorned with intricate floral prints Amarra Purple Evening Dresses |

And it worked like a charm

Listing brand and product name is huge here

You can either measure that exact number from the edge of the circle all the way around (marking every few inches) or you can add half of your circle width onto that number and measure out from the middle of the circle all the way around (which I think is a lot easier to do actually)

Reformation Annabelle Silk Dress ES This floral silk maxi dress from Reformation is sure to stun at a formal wedding

This innovative fashion genre offers versatile and contemporary outfits that cater to the modern woman's desire for comfort, style, and individuality