I know it's tacky....and there is -absolutely nothing tacky about the Late Late Show-. I have no excuse haha.
I was originally just gonna do this: http://rapidmoviez.com/data/images/movies/2011-09/craig-ferguson--does-this-need-to-be-said.jpg how it is...but I felt it needed a little something more. Perhaps more tackiness lol
Airbrush, LOTS of Dodge/Burn and tool for detail and Sharpen/Blur tool for finishing touches!
Also with the help of David Nagel's Photoshop Skin texture brushes!