Pretty good for someone just starting! I feel there's another light source being used which produced good results.
The colors, white balance, and contrast are good, too much sharpening though.
One thing concerned me are the backgrounds of the first two which pretty harsh and busy despite the limited Depth of field. May not be easy to adjust the model in something like in an open photoshoot, yet another angle would help and produce more interesting photos.
The background of the third image is better, simple and no blown highlights except the cloth beneath her which can be reduced in brightness/highlights without affecting the whole image in pp.
Good luck on your next!