design your own dress pattern Simplicity 9697 Girls Sewing UNCUT Size – Uptown Pattern Shop Lavender 3D Floral Lace Size:56 Regular Jacket+50 Waist Adjust 46to52)Height: 5'7"-6')Neck 19.5-21:XXXL-XXXXL Style:63845J

design your own dress pattern Simplicity 9697 Girls Sewing UNCUT Size – Uptown Pattern Shop Lavender 3D Floral Lace Size:56 Regular Jacket+50 Waist Adjust 46to52)Height: 5'7"-6')Neck 19.5-21:XXXL-XXXXL Style:63845J

Lavender 3D Floral Lace A-Line Prom Dress with Cape Sleeves

The cotton-style lace bodice offers a refreshed feel to traditional laces, with clean banding throughout the V-neckline as it splits into a double halter strap feature

Style:63845J

Size:56 Regular Jacket+50 Waist Adjust 46to52)Height: 5'7"-6')Neck 19.5-21:XXXL-XXXXL

I would suggest that the point on the waistline should be about 6-7cm (2 - 3") from the side seam (measuring from the stitch line, not the cut edge), but this is up to you