edit: I reverse image searched one of the faces and found this, https://bgr.com/2018/12/18/nvidia-ai-fake-faces-look-100-per...
It's not generating them from whole cloth, but it's still very impressive.
Deepmind has also been creating landscapes, portraits and animals (the tennis ball, the horror of the tennis ball!!!) https://venturebeat.com/2018/10/02/deepmind-ai-can-generate-...