Is it me?

It's not just you.

Wife and I were just talking about that. It's like her face-bones were cracked and haphazardly put back together. Her whole body is just weird, too. But strangely hot AF...she's confusing to look at.

She has a slightly asymmetrical mouth and jaw, and the left corner of her mouth is noticeably higher than the right corner (which can give the impression of a permanent sneer). It's the lack of symmetry that is giving you the uncanny valley vibe. Everyone has a slight degree of asymmetry to their face (and body for that matter), but with most people, the difference is too slight for people to notice. Every now and then though, someone comes along where the lack of symmetry is noticeable. Another one (who was nevertheless hot) was Jolene Blalock, who also has an asymmetrical jaw.

She's still growing up to be a very beautiful young woman.

I think she is an incredibly beautiful young woman.

She does have kind of “gross but hot” look about her at times

Its you

She probably has a misaligned jaw, this affects a significant amount of people.