This would be easy to do with wide piece of elastic & 2 yds of material attached to a tank top. Scattered Thoughts of a Crafty Mom: Guest Post: Urban Princess Dress Tutorial from Domestic Bliss Squared
The Best Princess Dress Tutorials and Inspiration! - How to make princess sleeves, bustles, corsets and more. Great Princess dress tutorials - Rae Gun Ramblings -- There`s a WHOLE LOT of LINKS in the Post!