Great work, but I would cut back on skin smoothing. Its starting to look a little plastic.
IMAGE LINK: https://flic.kr/p/ohf62L
I was trying to copy Rick's lighting in his photo above my post. In the picture below I used a grid instead of a partially closed umbrella as rim for more contrast. This time I got the reflector (below the doll) in the catch lights also.
Brenda Walmart by oldvultureface on Flickr