I love this shot. The smiling girl on the right is a slight distraction but I still like it. Would have been even better if you could catch her eyes looking at you. Well done.
This is wonderful. What would have made this perfect would be losing the head that comes out of the back of her neck. I know you couldn't for this challenge, but for yourself you should do an edit of it that way.
Not sure if the "about face" means the two girls looking left. If that is the case that this would be an even photo. But if you are counting the woman in the background then it would be odd. Not sure what is odd in this picture since your main subject is the woman getting lipstick put on.