I did this for a family member, I did the eyes and the rainbows around them, the background is from a google search ( http://pichost.me/1647501/ ) with a blur. Rendered in Cycles 1500 Samples.
https://drive.google.com/open?id=0B8bjMorqe-VNZDdqVnptNEtZOWc&authuser=0 (FullRes, Download)
