Some of the most beautiful ones I can think of are/were Barbara Palvin, Thylane Blondeau, Vanessa Hudgens, Hannah Murray (Gilly on Game of Thrones), Analeigh Tipton (the friend in Warm Bodies and the co-star of Two Night Stand), Masiela Lusha (the daughter on the George Lopez show), Michelle Pfieffer, Bjork, Julianna Margulies (Carol Hathaway on ER and the star of The Good Wife), Miranda Cosgrove, Marina Diamandis, Cara Delevingne, and another one who was a famous model but I can’t remember her name.
But, of course, that’s just out of the names you might recognize; the most beautiful woman (ignoring for the moment the obvious fact that the sense of beauty is personal and there’s no objectively ‘most beautiful’ woman) who has ever lived is obviously more than likely someone neither of us has ever seen or heard of, since that set includes billions of people. I’ve seen many, many girls, both in person and online (a lot more online) who were/are more beautiful than any of the famous ones I know of. Here are some examples: