I think they are nice, light is well balanced, no harsh light on your fiancee, nice skin tones, poses, i love it,. I like to work in overccast days. Having no sun is better in some ways. with no arsh sun its alot easier to balance you ambient light with your flash since your dont need that much power and you dont have to deal with everything harsh sun light can cause.
The only thing i would change to these shots is the first and the last shot where she is sitting. Seems like she is putting a bit of tention on her right arm and her tricep is popping out. I would push it a little bit using liquify.