Good job on these, I think your friend will be happy. Just a couple of little things I noticed. In 1, her skin tone looks a little more orange than the rest of these. I do recognize that she has more tanned skin to start with, but 1 seems a little more orange. Perhaps back off the saturation just a bit on the whole picture.
Second, in general with these, I think you could make her really pop out more from the pic with some more background blur. I don't know what focal length you shot these at, and I am not familiar with the 18-55 other than to know that its aperature range is something like 3.5-5.6. But even at the long end, 5.6, she was far enough away from the background that you should be able to get a good blur on it. The last two did a better job of this, and she popped out more in those.