After I saw this dress:
|Courtesy of Style.com|
Step 1: Make a tube dress from a t-shirt. If you want it to be trapeze shaped, make the inner layer trapeze shaped.
Step 2: Using 2 yards of fabric, cut out large strips. These will be the tiers. This is a really basic tiered dress. All you do it sew it onto the inner tshirt layer, starting from the bottom.
This is what it looks like after all the layers have been sewn on.
Step 3: Make the shoulder ruffle. Use a sewing machine to make ruffles out of 3 long strips of cloth. Sew onto the dress and voila: