Gather the tulle by using a loose stitch, either by machine or hand stitching. Pin the new skirt to the waist seam of the original skirt to secure it in place, then sew it with your machine or small hand stitches.
Generally, yes. You should try to cover up as much as you can, depending on your comfort level. That being said, if you're okay with showing off your body, go...
Measure the length you want the skirt to be—wear the shoes you'll wear with the dress while you do this. Add 5/8" allowance at the waist seam and at least...
I would recommend netting, or whichever is stiffer. You'll need the support. Also, I would recommend wearing a long slip underneath, as both tulle and netting can feel quite scratchy...
E6000 is a clear industrial strength glue that works well in attaching two dissimilar materials. There are other compounds that can secure these materials but are not clear. Be aware...
Some twelve year olds may suffer from Down syndrome or autism. This can make the child unable to dress themselves properly. Someone may also dress a twelve year old if...