Paint Splattered Jeans (Misskristurner.com)
Patchwork Jeans (Unetouchederoseeng.blogspot.fr)
DIY Dotty Jeans (Blog.imbreannarose.com)
Polkadot Boyfriend Jeans (Ilove-beauty.com)
DIY Woven Textured Vest from Old Jean (Source)
Recycled Denim Corset (cutoutandkeep.net)
Handmade Denim Corset Belt (fashion.onblog.at)
First, undoing the inside seam and the one uniting the crotch. Then use the scissors to cut down the inside angle that normally covers the inside area in between your legs. You also need to undo the exterior seam from the bottom up of each crotch for the armpit area of your dress. Try the pants on like a dress, upside down, fixate it with some bobby pins, and start sewing with the sewing machine. Look at the pictures for more details.