long white dress with ruffles KissProm A Line Satin Prom Dresses Ruffles, White / 2 and a side leg Size:11XL | 50 (for waist size 54"-55") Navy Blue Chiffon Evening TOMMY BAHAMA WOMENS

long white dress with ruffles KissProm A Line Satin Prom Dresses Ruffles, White / 2 and a side leg Size:11XL | 50 (for waist size 54"-55") Navy Blue Chiffon Evening TOMMY BAHAMA WOMENS

Navy Blue Chiffon Evening Dresses Cap Sleeves Long Maxi Backless Formal Dresses APD3452

The easy solution is to cut the garment some 4 inch up from the hem ( or however much is needed to preserve the hem intact) and add the extra piece of width is 1 inch + whatever extra length you need (which is sewn into a band by joining the short edges together) in between the cut edges, with a 1/2 inch seam allowance

TOMMY BAHAMA WOMENS

Size:11XL | 50 (for waist size 54"-55")

What I did was cut 2 pieces of tulle (so it would be double layered), in a rectangle shape

and a side leg slit