Let me start by saying there are several things I would feasibly believe Nicole Richie possesses:
One Ring to rule them all.
But an ass? C’mon, there’s no way these aren’t Photoshopped. And, seriously, whoever did this, Optimus Prime’s face would’ve looked more realistic back there. You know, provided he was winking and smoking a cigar like Groucho Marx. I’m a helper :)