I found a couple like it but not exactly what I remembered. My memory might be faulty. This is the oldest one I saw.
When I first saw the Celebrities who always appear as a fictional alter-ego thread, my first thought was Jennifer Grey who played a fictionalized version of herself in It’s Like You Know – a show that I thought was pretty good and didn’t deserve to die. She doesn’t exactly fit that topic though because she doesn’t do that everywhere, just on that show. There are other actors who’ve done the same like Jerry Seinfeld playing himself on his show, Larry David as well. I would even say that just ab…