From modern times........
Maria Ryabushkina, Masha, Tara, Talia, Milena, Melena or whatever the fuck she is going by this week, In my opinion, the sexiest woman in adult EVER! She always has a smile on her face, she has NO qualms about shooting public nudity scenes ANYWHERE and there's tons of pictures of her eating sweets. I am sure many of you have worked with her in the past and I would love to hear the sorted details.
Jessica Alba - Pre-child bearing years
Selena Gomez - I have to deduct points though because of her associations with Duchebäggëns Deluxe, Justin Bieber.