I'm not sold on this square-ish aspect ratio, with the top of the head cropped off, and the chin riding so,so low in the frame. All those things together contribute to make her posture appear slumped and lethargic; the camera is far too close to here, and her NOSE really, really projects, especially since this was shot at f/2.8, and one eye is in-focus and the other eye is OBVIOUSLy out of focus. The square aspect ratio is utterly killing this shot, and the slumped shoulder in the lower right hand corner--with an exceptionally busy, brightly-patterned blouse is just killing this shot. I have no doubt that Kat has a very wonderful personality, but I do not know her, have never seen her, never met her--and my impression of her from this is bad posture, melancholy attitude, not sexy, blank, vacant eyes, and NO good look at her dentition (tooth shape/color/conformation), so as a casting head shot, this is not a good casting shot for many roles. The out of focus lock of hair on the forehead, the quick OOF on the hair on the camera right side make it look like her hair has split ends and frizziness.
I have a feeling that your own relationship with this actress might be coloring your judgement about the result; this photo is, to me, not flattering in any way at all. Does she really have a bad hair color job, with two-toned hair? Are the lines in her forehead actually that prominent in real life? Does she let her shoulders slump like that all the time? Why is the aspect ratio so odd, when a "tall" 8x10 aspect is standard?