2ND UPDATE, 2 PM: Katy Perry, John Legend, Jennifer Hudson, Christina Aguilera, the Muppets, Tituss Burgess, Sabrina Carpenter, Lang Lang and pros from Dancing with the Stars are the latest additions to The Disney Family Singalong: Volume II.

via Katy Perry, John Legend, Jennifer Hudson, Christina Aguilera & Others Join ‘Disney Family Singalong: Volume II’ – Update — Deadline