I've got this video editing down now! Almost.
Here is a clip of Michael at his birthday party eating his cake. He loves it. Not. 
For background, he had been sitting naked in this chair without eating any cake for about 5 or 7 minutes.  He was feeling really uncomfortable because everyone was staring at him, he was naked and he had a chocolate lump in front of him.  Right before this clip, he dropped a chunk of cupcake into his chest between the restraints on his highchair.