Those are the head from full characters I created for multicolor 3D printing. Topology is just a standard Dynamesh. Zip file contains obj and wrl with texture in png
In this pack I am selling those models: Rihanna - https://www.cgtrader.com/3d-models/character/woman/rihannaShakira - https://www.cgtrader.com/3d-models/character/woman/shakiraAdele - https://www.cgtrader.com/3d-models/character/woman/adeleBieber - https://www.cgtrader.com/3d-models/character/man/justin-bieber-33ac43a3-2812-4d28-9149-73479ede396f
Polygons in the description given for Rihanna 3D model Shakira 1,739,345/870,114Adele 1,326,806/663,857Bieber 790,914/395,833