This is something I have been struggling with. I really like that look when the hem curves up along the hip and then back down at the back. All I get is puckers. I have gotten special hemming feet. Tried very slow hand stitching. Tried all kinds of thread. This method, shared by Craftsy has me hopeful.
http://www.craftsy.com/blog/2014/08/...ed-shirt-hems/
It is worth checking out. It looks beautiful and it makes sense.
Alice