First proper portraits

Please let me know what you think, critiques and how to improve on them would be greatly appreciated.
They were taken for a hairdresser who wanted to showcase some of her work but not only have tight, face-only shots. All taken with the 70-200 2.8 VR, large window with 2 600WS flashes bounced off the roof and wall in a large white room.

They were taken for a hairdresser who wanted to showcase some of her work but not only have tight, face-only shots. All taken with the 70-200 2.8 VR, large window with 2 600WS flashes bounced off the roof and wall in a large white room.


