Yes I got the Emporer's Robes but I'm NOT on PC.
Here's How:
1. Aquire The Staff of Worms and the Skull of Corruption.
2. Go to the Emporer's body. (Make sure you haven't started Scheduled for Execution.
3. Take the Staff of Worms and reanimate the Emporer's corpse.
4. Quickly pull out the Skull of Corruption and cast it on the Emporer
5. Attack and kill the clone.
6. The second you kill the clone save and reload.
7. When you reload quickly search the clones corpse and grab his outfit.
Make sure you do not pick up anything with
You can do this on summoned creatures as well. But you do not need the Staff of Worms.
You can get the Skull Of Corruption by completing Vaermina's Daedric Shrine quest.
You need a black soul gem for the quest. It is a good idea to do the Mages guild questline and obtain the Staff of Worms first as you will most likely encounter a black soul gem on a dead necromancer.