Femininity has to be understated. No garish clown makeup, pumped up lips, plucked eyebrows and redrawn at the top of your head. You just need a toned body and sexy legs. Obviously being cute as fuck doesn't hurt.
When I lived in the middle east, I had just got out of a serious relationship, and decided to check it off the bucket list, and have sex with a shemale. I found the best looking shemale. She topped me. It changed my life. It's all I think about.