But now it's straight up cancelled!
Ticket holders were sent the following email on Friday:
[Image via Fayesvision/WENN.]
We still maintain that this is a cheesy idea, but this behind-the-scenes glimpse has given us a little hope that it won't be THAT bad.
Check out this first look at the Grey's Anatomy musical episode. (above)
P.S. - Where's McDreamy???