Thanks Simon and great advice! I had tried the brush in lightroom on her face and then reduced the whites slider but it didn't look very good. Is that basically the same tool as in camera raw?
I've been told since that I would have been better off with spot metering and locking exposure on the brightest part of the subject, in this case on her coat or face, and then recomposing. I was actually in multi metering mode which was obviously not the best choice for this. So would I have been better off changing to spot metering standard with the focus point link attached to it and then focusing on her coat and then reframing which would then avoid blowing out/over exposing those shiny and overly white areas? Actually, I think it means using auto exposure lock which I've never used. My AEL button is my back button focus, so I'll have to reassign AEL.
I just got an email back from them and they thought the photos are amazing (they're not but I'm glad they like them and I sent 16 photos) and said they might be in touch for more, so maybe I can ask for a few quid next time.